Photonics/​Optics

Photonics

Find the latest news and technical briefs on next-generation photonics technologies. Learn more about applications like biophotonics, silicon photonics, and green photonics.

Briefs: Photonics/Optics
Optical Phase Recovery and Locking in a PPM Laser Communication Link

Free-space optical communication holds great promise for future space missions requiring high data rates. For data communication in deep space, the current architecture employs pulse position modulation (PPM). In this scheme, the light is transmitted and detected as pulses...

Briefs: Photonics/Optics

The design and initial demonstration of a laser pump module (LPM) incorporating single-mode, grating-stabilized 808- nm diode lasers and a...

Briefs: Photonics/Optics
Method to Enhance the Operation of an Optical Inspection Instrument Using Spatial Light Modulators

For many aspheric and freeform optical components, existing interferometric solutions require a custom computer-generated hologram (CGH) to characterize the part. The overall objective of this research is to develop hardware and a procedure to...

Briefs: Photonics/Optics
High-Speed Edge-Detecting Line Scan Smart Camera

A high-speed edge-detecting line scan smart camera was developed. The camera is designed to operate as a component in a NASA Glenn Research Center developed inlet shock detection system. The inlet shock is detected by projecting a laser sheet through the airflow. The shock within the airflow is...

Briefs: Photonics/Optics

In a photon counting detector array, each pixel in the array produces an electrical pulse when an incident photon on that pixel is detected. Detection and demodulation of an optical...

Briefs: Photonics/Optics
Optical Communications Channel Combiner

NASA has identified deep-space optical communications links as an integral part of a unified space communication network in order to provide data rates in excess of 100 Mb/s. The distances and limited power inherent in a deep-space optical downlink necessitate the use of photon-counting detectors and a...

Briefs: Photonics/Optics
Development of Thermal Infrared Sensor To Supplement Operational Land Imager

The thermal infrared sensor (TIRS) is a quantum well infrared photodetector (QWIP)-based instrument intended to supplement the Operational Land Imager (OLI) for the Landsat Data Continuity Mission (LDCM). The TIRS instrument is a far-infrared imager operating in the...

Products: Photonics/Optics

The CoolCard™ II from Pathfinder Research (Lafayette, CO) is a handheld infrared laser beamfinder and beam evaluation instrument. The IR beam-quality evaluation tool can be used with lasers and other IR...

Products: Photonics/Optics

PHOTONIS USA (Sturbridge, MA) has been awarded a patent for the manufacture of resistive glass tubes with non-linear gradient electrical resistance changes. The patented process creates a solid-piece reflectron...

Products: Photonics/Optics

The Mentad fiber laser from RPMC Lasers (O’Fallon, MO) is now available at the 1.0μm wavelength. The 4.25 × 2.7 × 0.8" Mentad produces pulse energies up to 50μJ, with pulse widths from 500ps to 1.25μs and rep rates from...

Products: Photonics/Optics

Opto Diode Corp. (Newbury Park, CA) has introduced three new infrared (IR) emitters. The OD-850W gallium aluminum arsenide (GaAlAs) LED features a wide-emission angle and typical optical output of 40mW. The new device has a...

Products: Photonics/Optics

Resolve Optics Ltd (Chesham, UK) supplies a lightweight version of the 80-200mm focal length UV Zoom lens, developed for use with its Digital Cerenkov Viewing Device (DCVD). The DCVD, equipped with UV Zoom lens, captures the...

Products: Photonics/Optics

ADLINK Technology (San Jose, CA) has released the EOS- 1200, an embedded vision system that implements the 2nd Generation Intel® Core™ i7 quad core processor. The product provides four independent gigabit PoE (power...

Products: Photonics/Optics

Dayoptics (Fuzhou, China) produces cylindrical lenses from a variety of materials including BK7, fused silica, sapphire, CaF2, and MgF2 as standard. Cylindrical lenses focus light in only one...

Products: Photonics/Optics

D3 Engineering (Rochester, NY), New Scale Technologies (Victor, NY), and Sunex (Carlsbad, CA) have teamed up to create a new OEM SmartCamera Developer’s Kit. The kit allows engineers to develop and integrate camera...

Products: Photonics/Optics

BitFlow (Woburn, MA) has announced the Neon- CLQ Quad, a Camera Link/PoCL frame grabber that provides interfaces for four cameras plus I/O. All four cameras can be synchronized or independently operated with different...

Products: Photonics/Optics

Ophir Photonics (North Logan, UT) offers the Quasar App, a mobile application that displays laser meter data on Android devices or tablets. The Quasar App connects to Ophir’s Quasar device via Bluetooth. Once...

Products: Photonics/Optics

The Model 248/310 grazing incidence spectrometer from McPherson (Chelmsford, MA) makes direct optical measurements from one to 300 nanometers. The device enables testing of soft x-ray (XUV) high energy light sources...

Products: Photonics/Optics

The BluLoop Light Source from Ocean Optics (Dunedin, FL) is a compact, LED-based source with balanced spectral output across the visible (400-700 nm) range. When coupled to a miniature spectrometer, optical fibers, and sampling...

INSIDER Product: Photonics/Optics

Building on the success of its Karbon®-CL line of PCI Express frame grabbers, BitFlow, Inc. (Woburn, MA) has introduced the model CL4-F featuring interfaces for two independent base, medium or full CameraLink (CL) digital...

INSIDER Product: Photonics/Optics

DuPont Microcircuit Materials (MCM) (Bristol, UK) has introduced DuPont™ Solamet® PV416 photovoltaic metallization, a new frontside silver paste material used to raise the efficiency of thin film...

INSIDER Product: Photonics/Optics

Coherent Inc. (Santa Clara, CA) has introduced a new, higher power Paladin™ laser designed for high-throughput Laser Direct Imaging (LDI) and other advanced microelectronics applications. The new Paladin Advanced 355 24000 is a...

INSIDER Product: Photonics/Optics

ILX Lightwave (Bozeman, MT), a Newport Corporation brand, announced the addition of the LDT-5940C Thermoelectric Temperature Controller to its portfolio of thermoelectric temperature controllers designed...

INSIDER: Photonics/Optics

Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of...

INSIDER: Photonics/Optics

At the heart of digital photography is a chip called an image sensor that captures a map of the intensity of the light as it comes through the lens and converts it to an electronic...

Briefs: Photonics/Optics
Optical Communications Receiver

Specialized mixed-signal (radio frequency and digital) hardware and processing techniques are employed to enable processing of the multi-GHz signal bandwidth, along with the instruction of an inter-symbol guard time (ISGT) to facilitate synchronization to the received pulse-position modulation (PPM) signal.

Briefs: Physical Sciences
Low-Noise, Large-Area Quad Photoreceivers Based on Low-Capacitance Quad Photodiodes

The Laser Interferometry Space Antenna’s (LISAs) scientific mission to detect gravity waves demands stringent noise limits on the system components, especially the large-area quad photoreceiver front end, for ultra-high-precision (≈10 pm/Hz1/2)...

Briefs: Information Technology
Wavefront Sensing Analysis of Grazing Incidence Optical Systems

Wavefront sensing is a process by which optical system errors are deduced from the aberrations in the image of an ideal source. The method has been used successfully in near-normal incidence, but not for grazing incidence systems. This innovation highlights the ability to examine...

Briefs: Photonics/Optics
RxGen General Optical Model Prescription Generator

RxGen is a prescription generator for JPL’s in-house optical modeling software package called MACOS (Modeling and Analysis for Controlled Optical Systems), which is an expert optical analysis software package focusing on modeling optics on dynamic structures, deformable optics, and controlled...

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