March 2007

Products : Electronics & Computers
Transceivers for Multi-Gigabyte Systems (Altera)

Altera Corp. (San Jose, CA) offers the high- density Stratix II GX family designed to provide up to 20 low-power transceivers operating between 600 Mbps and 6.375 Gbps with 127 Gbps of aggregate serial-link connectivity. The Stratix II GX FPGAs can be used to design and manufacture multi-gigabit...

Products
Maple Mathematical Software

Maplesoft™, Waterloo, ON, Canada, has introduced Maple™ 11 mathematical software with a smart document environment that automatically captures technical knowledge in an electronic form that seamlessly integrates calculations, explanatory text and math, graphics, images, and sound. These live documents can...

Who's Who
Julia W. Loftis, Associate Chief for Information Systems Technology

Julia W. LoftisWhile a single, peer-to-peer rover can cover a large territory and gather a wealth of information, an entire fleet of rovers could cover even more ground. However, controlling multiple platforms poses a much different set of criteria. To answer the need to control...

Articles : Automotive
Technology Takes a Front Seat in Automakers’ Latest Models

While the latest news surrounding the U.S. auto industry continues to be focused on slumping sales and production cutbacks, automakers continue to turn out cars that highlight the latest technologies in the areas of safety, engine efficiency and performance, and alternative fuels. The...

Briefs : Electronics & Computers
Advanced Systems for Monitoring Underwater Sounds

The term “Passive Acoustic Monitoring System” (PAMS) describes a developmental sensing and data-acquisition system for recording underwater sounds. The sounds (more precisely, digitized and preprocessed versions from acoustic transducers) are subsequently analyzed by a combination of data...

Application Briefs : Materials
Elastic Memory Composite Hinges Tested on Shuttle
TEMBO® Elastic Memory Composite Hinges (EMCH)
Composite Technology Development (CTD) Lafayette, CO
303-664-0394
www.ctd-materials.com

Elastic Memory Composite Hinges (EMCH) were developed by CTD for deploying solar arrays, communications, and optical systems in...

Application Briefs : Software
Flight Dynamics Software Supports NASA Mission to Measure Carbon Dioxide
focusLEO Low-Earth Orbit (LEO) flight dynamics software
GMV
Rockville, MD
301-926-0119
www.gmv.com

The Orbiting Carbon Observatory (OCO), managed by NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, CA, is a mission to measure carbon...

Briefs : Electronics & Computers
Wireless Data-Acquisition System for Testing Rocket Engines

A prototype wireless data-acquisition system has been developed as a potential replacement for a wired data-acquisition system heretofore used in testing rocket engines. The traditional use of wires to connect sensors, signal-conditioning circuits, and data acquisition circuitry is...

Briefs : Electronics & Computers
Processing Raw HST Data With Up-to-Date Calibration Data

On-the-Fly Reprocessing (OTFR) is a collection of data-processing routines that work within the context of the Hubble Space Telescope (HST) pipeline data-flow system. The purpose served by OTFR is to generate, on demand, scientifically useful data products from raw HST data stored in an...

Briefs : Electronics & Computers
System for Secure Integration of Aviation Data

The Aviation Data Integration System (ADIS) of Ames Research Center has been established to promote analysis of aviation data by airlines and other interested users for purposes of enhancing the quality (especially safety) of flight operations. The ADIS is a system of computer hardware and software...

Briefs : Medical
Mobile Collection and Automated Interpretation of EEG Data

A system that would comprise mobile and stationary electronic hardware and software subsystems has been proposed for collection and automated interpretation of electro-encephalo-graphic (EEG) data from subjects in everyday activities in a variety of environments. By enabling collection...

Briefs : Electronics & Computers
Servomotor and Controller Having Large Dynamic Range

A recently developed micro-commanding rotational position control system offers advantages of less mechanical complexity, less susceptibility to mechanical resonances, less power demand, less bulk, less weight, and lower cost, relative to prior rotational position control systems based on...

Briefs : Electronics & Computers
Digital Multicasting of Multiple Audio Streams

The Mission Control Center Voice Over Internet Protocol (MCC VOIP) system (see figure) comprises hardware and software that effect simultaneous, nearly real-time transmission of as many as 14 different audio streams to authorized listeners via the MCC intranet and/or the Internet. The original...

Briefs : Physical Sciences
Simplified Generation of High-Angular-Momentum Light Beams

A simplified method of generating a beam of light having a relatively high value of angular momentum (see figure) involves the use of a compact apparatus consisting mainly of a laser, a whispering gallery mode (WGM) resonator, and optical fibers. The method also can be used to generate a...

Briefs : Physical Sciences
Complex Type-II Interband Cascade MQW Photodetectors

Multiple-quantum-well (MQW) photodetectors of a proposed type would contain active regions comprising multiple superlattice subregions. These devices would have complex structures: The superlattice of each subregion would be designed for enhanced absorption of photons in a desired wavelength...

Briefs : Physical Sciences
Interferometric Quantum-Nondemolition Single-Photon Detectors

Two interferometric quantum-nondemolition (QND) devices have been proposed: (1) a polarization- independent device and (2) a polarization- preserving device. The prolarization- independent device works on an input state of up to two photons, whereas the polarization- preserving device...

Briefs : Physical Sciences
Ring-Down Spectroscopy for Characterizing a CW Raman Laser

A relatively simple technique for characterizing an all-resonant intracavity continuous- wave (CW) solid-state Raman laser involves the use of ring-down spectroscopy. As used here, "characterizing" signifies determining such parameters as threshold pump power, Raman gain, conversion...

Briefs : Semiconductors & ICs
Imaging Spectrometer on a Chip

A proposed visible-light imaging spectrometer on a chip would be based on the concept of a heterostructure comprising multiple layers of silicon-based photodetectors interspersed with long-wavelength-pass optical filters. In a typical application, this heterostructure would be replicated in each pixel of an...

Briefs : Software
AIRSAR Web-Based Data Processing

The AIRSAR automated, Web-based data processing and distribution system is an integrated, end-to-end synthetic aperture radar (SAR) processing system. Designed to function under limited resources and rigorous demands, AIRSAR eliminates operational errors and provides for paperless archiving. Also, it provides a...

Briefs : Software
Translator for Optimizing Fluid-Handling Components

A software interface has been devised to facilitate optimization of the shapes of valves, elbows, fittings, and other components used to handle fluids under extreme conditions. This software interface translates data files generated by PLOT3D (a NASA grid-based plotting-and- data-display...

Briefs : Materials
Progressive Failure Analysis of Composite Structures with FEA Software

The Micromechanics Analysis Code with Generalized Method of Cells (MAC/GMC) is core technology in a software suite called ImMAC, developed at NASA's John Glenn Research Center. An abbreviation for Integrated Multiscale Micromechanics Analysis Code, ImMAC is used in the design...

Briefs : Software
Pattern Matcher for Trees Constructed From Lists

A software library has been developed that takes a highlevel description of a pattern to be satisfied and applies it to a target. If the two match, it returns success; otherwise, it indicates a failure. The target is semantically a tree that is constructed from elements of terminal and...

Briefs : Software
Reducing a Knowledge-Base Search Space When Data Are Missing

This software addresses the problem of how to efficiently execute a knowledge base in the presence of missing data. Computationally, this is an exponentially expensive operation that without heuristics generates a search space of 1 + 2n possible scenarios, where n is the...

Briefs : Software
State-Chart Autocoder

A computer program translates Unified Modeling Language (UML) representations of state charts into source code in the C, C++, and Python computing languages. ("State charts" signifies graphical descriptions of states and state transitions of a spacecraft or other complex system.) The UML representations constituting the...

Briefs : Software
Pointing History Engine for the Spitzer Space Telescope

The Pointing History Engine (PHE) is a computer program that provides mathematical transformations needed to reconstruct, from downlinked telemetry data, the attitude of the Spitzer Space Telescope (formerly known as the Space Infrared Telescope Facility) as a function of time. The PHE also...

Briefs : Mechanical & Fluid Systems
Low-Friction, High-Stiffness Joint for Uniaxial Load Cell

A universal-joint assembly has been devised for transferring axial tension or compression to a load cell. To maximize measurement accuracy, the assembly is required to minimize any moments and non-axial forces on the load cell and to exhibit little or no hysteresis. The requirement to...

Briefs : Mechanical & Fluid Systems
Magnet-Based System for Docking of Miniature Spacecraft

A prototype system for docking a miniature spacecraft with a larger spacecraft has been developed by engineers at the Johnson Space Center. Engineers working on Mini AERCam, a free-flying robotic camera, needed to find a way to successfully dock and undock their miniature spacecraft to...

Briefs : Software
Ground-Based Correction of Remote-Sensing Spectral Imagery

Software has been developed for an improved method of correcting for the atmospheric optical effects (primarily, effects of aerosols and water vapor) in spectral images of the surface of the Earth acquired by airborne and spaceborne remote-sensing instruments. In this method, the...

Briefs : Mechanical & Fluid Systems
Electromechanically Actuated Valve for Controlling Flow Rate
Electromechanically Actuated Valve for Controlling Flow Rate

A proposed valve for controlling the rate of flow of a fluid would include an electric-motor-driven ball-screw mechanism for adjusting the seating element of the valve to any...

Electromechanically Actuated Valve for Controlling Flow Rate
Briefs : Mechanical & Fluid Systems
Plumbing Fixture for a Microfluidic Cartridge

A fixture has been devised for making the plumbing connections between a microfluidic device in a replaceable cartridge and an external fluidic system. The fixture includes a 0.25-in. (6.35-mm) thick steel plate, to which the cartridge is fastened by two 10-32 thumb screws. The plate holds one...

Briefs : Mechanical & Fluid Systems
Camera Mount for a Head-Up Display

A mounting mechanism was designed and built to satisfy requirements specific to a developmental head-up display (HUD) to be used by pilots in a Boeing 757 airplane. This development was necessitated by the fact that although such mounting mechanisms were commercially available for other airplanes, there were...

Briefs : Manufacturing & Prototyping
Core-Cutoff Tool

A tool makes a cut perpendicular to the cylindrical axis of a core hole at a predetermined depth to free the core at that depth. The tool does not damage the surrounding material from which the core was cut, and it operates within the core-hole kerf.

Briefs : Information Technology
Single-Point Access to Data Distributed on Many Processors

A description of the functions and data structures is defined that would be necessary to implement the Chapel concept of distributions, domains, allocation, access, and interfaces to the compiler for transformations from Chapel source to their run-time implementation for these concepts....

Briefs : Information Technology
Computing a Stability Spectrum by Use of the HHT

The Hilbert-Huang transform (HHT) is part of the mathematical basis of a method of calculating a stability spectrum. This method can be regarded as an extended and improved version of a prior HHT-based method of calculating a damping spectrum. In the prior method, information on positive damping...

Briefs : Information Technology
Estimating Dust and Water Ice Content of the Martian Atmosphere From THEMIS Data

Researchers at JPL and Arizona State University conducted a comparative study of three candidate algorithms for estimating components of the Martian atmosphere, using raw (uncalibrated) data collected by the Thermal Emission Imaging System (THEMIS). THEMIS is an...

Briefs : Physical Sciences
Theoretical Studies of Routes to Synthesis of Tetrahedral N4

A paper [Chem. Phys. Lett. 345, 295 (2001)] describes theoretical studies of excited electronic states of nitrogen molecules, with a view toward utilizing those states in synthesizing tetrahedral N4, or Td N4 — a metastable substance under consideration as a high-energy-density...

Briefs : Mechanical & Fluid Systems
Estimation Filter for Alignment of the Spitzer Space Telescope

A document presents a summary of an onboard estimation algorithm now being used to calibrate the alignment of the Spitzer Space Telescope (formerly known as the Space Infrared Telescope Facility). The algorithm, denoted the S2P calibration filter, recursively generates estimates of...

Briefs : Physical Sciences
Antenna for Measuring Electric Fields Within the Inner Heliosphere

A document discusses concepts for the design of an antenna to be deployed from a spacecraft for measuring the ambient electric field associated with plasma waves at a location within 3 solar radii from the solar photosphere. The antenna must be long enough to extend beyond the...

Briefs : Physical Sciences
Improved High-Voltage Gas Isolator for Ion Thruster

A report describes an improved highvoltage isolator for preventing electrical discharge along the flow path of a propellant gas being fed from a supply at a spacecraft chassis electrical potential to an ion thruster at a potential as high as multiple kilovolts. The isolator must survive launch...

Briefs : Electronics & Computers
Hybrid Mobile Communication Networks for Planetary Exploration

A paper discusses the continuing work of the Mobile Exploration System Project, which has been performing studies toward the design of hybrid communication networks for future exploratory missions to remote planets. A typical network could include stationary radio transceivers on a...

Briefs : Physical Sciences
Recirculation of Laser Power in an Atomic Fountain

A new technique for laser-cooling atoms in a cesium atomic fountain frequency standard relies on recirculation of laser light through the atom-collection region of the fountain. The recirculation, accomplished by means of reflections from multiple fixed beam-splitter cubes, is such that each of...

Tech Needs
Connection of Two Rubber-Impregnated Cloth Surfaces

A way is sought to allow consumers to connect and disconnect two rubber-impregnated cloth surfaces in a consistent manner that is easy to assemble and disassemble. The cloth surfaces are in close proximity; the length of the connection will be about two meters. The connection must exhibit...

Tech Needs
Technologies to Enhance Moisture, Vapor Transmission

A company is looking for environmentally inert methods to change the moisture management properties of conventional apparel textiles. The moisture management effect changes the way in which water vapor, moisture, and other liquids move through textiles, and can be activated via pH,...

Articles : Electronics & Computers
Multi-Cores: The Gateway to Next-Gen SBCs and Blades

With the introduction of Intel Core microarchitecture into embedded systems, history could very well repeat itself. The company that invented the microprocessor in 1971 and created the very first micro-controller in 1976 is about to revolutionize the embedded space once again. By bringing the...

Application Briefs : Electronics & Computers
How to Design an Embedded RDBMS Search

As the cost of micro-disk and NAND Flash continue to drop, devices are storing more and more data. It is common now for a person's MP3 player to have more storage than their laptop. But this increase in storage capacity has not been matched with advances in the user interface. Typically, users still wrestle...

Products : Electronics & Computers
Fanless Single Board Computer ( ADLINK Technology)

The NuPRO-796 from ADLINK Technology (Irvine, CA) is a half-size board computer featuring an AMD GeodeTM GX 533 processor. Fanless, the device has a 1.1 W CPU power consumption, and includes an on-board 128 MB memory on a single SODIMM slot, one UltraATA 66 IDE connector, and four Serial ATA...

Articles : Electronics & Computers
Beamforming System Eases Crowded Wireless Spectrum

Beamforming is critical to enable initiatives by the U.S. Federal Communications Commission (FCC) to increase spectrum capacity and provide additional cellular service and coverage through satellite and terrestrial systems. The key technology for this application is beamforming, which...

Articles : Electronics & Computers
SOA in Practice: Model-Driven Repositories Fill the Gap Between Concept and Implementation

In the past, network-based applications were pretty simple. A networked server ran a monolithic application that users accessed via a basic GUI (graphical user interface). Today, organizations struggle to develop feature-rich, network-based applications...

Products : Electronics & Computers
PCI, PCI-X, and PMC Boards (VMETRO)

VMETRO (Houston, TX) has released the VirtexTM-5 LX FPGA-based PCI/PCI-X and PMC board-level products. Designed for high-performance general-logic applica- tions, the Virtex-5 is the second generation of Xilinx FPGA to use the ASMBLTM (Advanced Silicon Modular Block) column- based architecture that enables...

Products : Electronics & Computers
Graphics Display Processor (GE Fanuc Embedded Systems)

GE Fanuc Embedded Systems (Albuquerque, NM) offers the 3U VPX MAGIC1 Rugged Display Processor, an integrated sub- system consisting of the 2.0 GHz Intel Core Duo processor-based SBC340 sin- gle board computer and GRA110 graphics processor. The MAGIC1 rugged subsystem lets system designers...

Products : Electronics & Computers
Power-Saving Embedded Board (VersaLogic)

VersaLogic Corp. (Eugene, OR) and General Software, Inc. introduced a power- saving feature on VersaLogic's PC/104-Plus platform, the Puma. The Suspend- to-RAM function (ACPI S3) of General Software's Embedded BIOS®2000 allows the system to wake up and resume processing in seconds. The board consumes...

Products : Electronics & Computers
Integration and Communication Software (Mentor Graphics)

The Nucleus®I2C software from Mentor Graphics Corp. (Wilsonville, OR) is now available for developing appli cations needing access to on-board peripherals connect ed via the I2C bus. Demand is increasing for using the low-cost I2C bus to connect peripherals, such as liquid crystal...

Products : Electronics & Computers
Graphical Dataflow Environment for RTOS (National Instruments)

National Instruments (Austin, TX) and QNX Software Systems (Ontario, Canada) have collaborated to extend the LabVIEW graphical dataflow environment to the QNX®Neutrino® real-time operating system (RTOS). Engineers now can use the NI LabVIEW Embedded Development Module with...

Products : Electronics & Computers
MPEG Decoder (STMicroelectronics)

STMicroelectronics, Inc. (Lexington, MA) has released the STi5107, a new MPEG decoder for standard definition TV. It is designed to address the require- ments of the mainstream STB market, where it provides a unified, single-device platform for set-top boxes ranging from basic low-cost products up to MHP...

Products : Electronics & Computers
PCI Isolated Digital I/O Cards (ACCESS I/O Products)

ACCES I/O Products Inc. (San Diego, CA) released a line of low-cost PCI isolated digital I/O cards offering a range of 16, 32, or 48 individually optically isolated inputs or outputs (channel to chan- nel, channel to ground). Individual channel-to-channel isolation allows for every channel to...

Products : Electronics & Computers
ARM Computer with Onboard Communication (Micro/sys)

The SBC4670 ARM computer from Micro/sys (Montrose, CA) features onboard communication formats of Power Over Ethernet, Socket Model capable of GSM/GPRS, CDMA or Bluetooth, on-board GPS, and/or CAN bus interface. Fitting on the 4.5 × 6.5" EPIC footprint, the board's multimedia...

Products : Electronics & Computers
Computer Management Software Suite (Infineon Technologies)

Infineon Technologies (Milpitas, CA) has announced the availability of a new software suite version for management of computers using Trusted Platform Modules (TPM) in enterprise environments. Together with the current Infineon TPM v1.2, the TPM Professional Package builds a Windows...

Products : Electronics & Computers
Real-Time Multitasking Operating System (CMX Systems)

CMX Systems (Jacksonville, FL) announced the availability of CMX-RTX™ and CMX-Tiny+™ RTOS for Luminary Micro's Stellaris (Austin, TX) microcontrollers based on the ARM® Cortex-M3 microcontroller core.

Products : Electronics & Computers
Digital Filtering Development Tool (Quickfilter Technologies)

A new development tool from Quickfilter Technologies (Allen, TX) is designed to simplify the task of adding precision digital filtering to designs based on the Texas Instruments (TI) MSP430 ultra-low-power microcontrollers. The MSP-Mojo enables quick implementation of precision...

Products : Electronics & Computers
Mobile IGP Chipset (VIA Technologies)

The VIA VN896 digital media mobile IGP chipset from VIA Technologies, Inc. (Fremont, CA) has been certified Vista Basicready by Microsoft® and is designed to provide users with visual clarity for notebooks and mobile devices.

Products : Electronics & Computers
Software for Safety-Critical Systems (Aonix®)

Release v8.3 of ObjectAda Real-Time RAVEN environment for PowerPC targets from Aonix® (San Diego, CA) provides RAVEN developers with a choice between the traditional Aonix IDE for development and the AonixADT™ Eclipse IDE. AonixADT incorporates Ada-project awareness, an Ada-language...

Products : Electronics & Computers
On-Chip Debugging Emulator (Renesas Technology America)

Renesas Technology America, Inc. (San Jose, CA) offers the E8a emulator, an onchip debugging emulator for developing embedded systems that use Renesas microcontrollers. It allows referencing and modification of memory, on-chip I/O, and memory contents while a program is being executed. The...

Articles : Photonics/Optics
Thulium Puts Power Behind Eyesafe Fiber Lasers

One of the key advantages of fiber laser technology stems from the high conversion efficiency of the multimode pump radiation into high-brightness, single-mode laser light within the doped fiber lasing medium. Ytterbium-doped fiber lasers operating around 1μm often achieve around 80% pump- to-laser...

Application Briefs : Photonics/Optics
Reactive Solders Improve Fiber Couplers and OE Bonding

Optical and optoelectronic (OE) devices are being rapidly integrated into many facets of everyday life. From telecommunications to sensor applications, these devices are expected to perform accurately and reliably for long periods of time.

Briefs : Photonics/Optics
Recirculation of Laser Power in an Atomic Fountain

A new technique for laser-cooling atoms in a cesium atomic fountain frequency standard relies on recirculation of laser light through the atom-collection region of the fountain. The recirculation, accomplished by means of reflections from multiple fixed beam-splitter cubes, is such that each of...

Briefs : Photonics/Optics
Simplified Generation of High-Angular-Momentum Light Beams

A simplified method of generating a beam of light having a relatively high value of angular momentum (see figure) involves the use of a compact apparatus consisting mainly of a laser, a whispering-gallery-mode (WGM) resonator, and optical fibers. The method also can be used to generate a...

Briefs : Photonics/Optics
Complex Type-II Interband Cascade MQW Photodetectors

Multiple-quantum-well (MQW) photodetectors of a proposed type would contain active regions comprising multiple superlattice subregions. These devices would have complex structures: The superlattice of each subregion would be designed for enhanced absorption of photons in a desired wavelength...

Briefs : Photonics/Optics
Interferometric Quantum-Nondemolition Single-Photon Detectors

Two interferometric quantum-nondemolition (QND) devices have been proposed: (1) a polarization-independent device and (2) a polarization-preserving device. The prolarization-independent device works on an input state of up to two photons, whereas the polarization-preserving device...

Briefs : Photonics/Optics
Ring-Down Spectroscopy for Characterizing a CW Raman Laser

A relatively simple technique for characterizing an all-resonant intracavity continuous- wave (CW) solid-state Raman laser involves the use of ring-down spectroscopy. As used here, “characterizing” signifies determining such parameters as threshold pump power, Raman gain, conversion...

Products
Product of the Month: HPL Diodes, Bars, and Stacks

Intense, Ltd. (Glasgow, UK) released Hermes™, a family of High Power Laser (HPL) products. Included are single emitters, bars, conductively and micro-channel cooled bars, and stacks. The single emitters have wavelengths of 808 nm (up to 5 W), 940 nm (up to 7 W), and 980 nm (up to 7 W). The...

Products : Materials
Dichroic Filter
Dichroic Filter

Patterned dichroic filters from Deposition Sciences, Inc. (Santa Rosa, CA) operate over a wide range of wavelengths, from near ultraviolet to infrared. Able to be applied in a variety of substrates in multiple shapes and...

Dichroic Filter
Products
Laser-Scanning Probe

Laser Design (Minneapolis, MN) released the SLP-2000 3D laser-scanning probe with an extra-long-laser line (8") and standard dual CMOS receptors. The device captures 50,000 to 75,000 points per second. The probe is integrated with Surveyor Scan Control software and Surveyor 3D scanning systems, and can be used...

Products
Polarimeter

The P-2000 multi-option polarimeter from JASCO (Easton, MD) is designed to be customizable with options to handle a researcher’s initial requirements and then upgraded at a later date. The unit can operate via a PC with Windows® software or by JASCO’s handheld controller (iRM). The device has a range of light sources:...

Products
Image Simulation

The 2D Image Simulation feature in CODE V® 9.7 from Optical Research Associates (Pasadena, CA) allows users to visualize overall performance and communicate design tradeoffs to non-optical personnel. The function displays an object as it would appear when imaged by an optical system, taking into account diffraction, lens...

Products
EUV Light Source

The model 642 Extreme Ultraviolet (EUV) light source from McPherson, Inc. (Chelmsford, MA) utilizes a filament to produce electrons that are accelerated toward a target by high voltage. It is stable, debris-free, and controllable. The device features two symmetrical output beams. The source is not sealed, allowing users to...

Products
Laser Cutting System

Cincinnati Inc. (Cincinnati, OH) introduced the CL-707 high-speed, super-size laser with interchangeable 8 × 20' cutting tables. The linear motor drive delivers 10,000 ipm head positioning. The 5 kW power of the cutting head cuts through 10 ga steel at up to 1,000 ipm and can process mild steel up to 1" thick. Each 8 ( 20'...

Products
LED Transmitters

OPTEK Technology (Carrollton, TX) offers the OPF670 series of fiber optic LED transmitters for integration into data communications equipment. The series consists of the OPF670 in a TO-46 package, the OPF672 in a standard profile metal housing, and the OPF673 in a low-profile metal housing. The units launch optical power into...

Products
Non-Circular Optical Fibers

Liekki (Lohja, Finland) has released square and rectangular optical fibers for high-power delivery applications. Square- and rectangular-shaped fibers more closely match optical sources. Different combinations — rectangular core-round cladding or rectangular core-rectangular cladding — are available. The fibers...

Products
Tunable Light Source

The TLS Series of software-controlled (Windows®) wavelength tunable light sources from Optometrics Corp. (Ayer, MA) can be used for detector sensitivity testing, color matching, and characterization, as well as reflectivity and absorption of different materials. Featuring a USB interface, abilities include wavelength...