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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 aberration, distortion, relative illumination, and blurring. Image orientation for complex folded systems also is determined. Results may be saved in BMP, JPEG, and PNG formats. Other features include enhanced ID Partial Coherence function and a Gaussian Quadrature Radial Grid for defining ray sets speeds optimization of systems having circular or vignetted circular pupils.

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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 exchange anodes to produce desired wavelengths (e.g., boron for 6.7 nm, silicon for 13.5 nm, aluminum for 17.1 nm, etc.). The interactions of the electrons as they impact a solid target (anode) cause excitation of the atomic inner shells with subsequent decay and emission.

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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' pallet can be loaded with multiple sheets. Pallets change automatically, and 320 sq. ft. of material can be processed between the two pallets. A breakaway feature safeguards against debris, and an electronic shutter with trigger-discharge electrodes assists pulsing characteristics for smooth cutting.

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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 50/125 μmor 62.5/125 μm-diameter multimode fibers and are thermally stable. The OPF670 unit is designed for active alignment into a connector receptacle in a TO-46 package with a plastic lens cap. The 672 and 673 models are equipped with an ST connector.

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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 exhibit low photodarkening, flat refractive index profile, and reduced nonlinear effects.

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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 selection from 360 to 1,000 nm and scanning between wavelengths. Bandpass output ranges from 6, 10, and 25 nm, and to illuminate specific wavelengths, a stepper motor is integrated. Manual versions also are offered.

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UEILogger

United Electronics Industries, Canton, MA, has introduced the UEILogger series of data loggers and recorders. The logger "Cube" contains the logger engine and either three or six I/O slots. The logger is matched to the user's application by installing the appropriate I/O boards from more than 20 different available boards. A single 4 x 4.1 x 5.8" logger cube can provide up to 150 A/D channels or 288 digital I/O. The logger requires no programming, and the logging application is configured using a Windows-based application that sets up the logger and extracts data from the logger's memory. The software allows users to set input and output ranges, sample/update rates, and signal conditioning from pull-down menus. The program may be downloaded via the unit's standard Ethernet port or stored on the SD card. The logger supports sample rates up to 100 samples per second on each I/O channel or port. Data is logged onto standard SD cards; a 2-Gig SD card is included that holds more than 500 million 16-bit A/D readings.

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