Photonics/Optics

Infrared Laser Beam Evaluation Tool

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 sources operating from the near-IR to 10-μm wavelengths. Using thermally- stabilized liquid crystal technology, the CoolCard™ senses and resolves the fine spatial character of lasers operating near and beyond 1.7 μm. The beamfinder features a rechargeable, field-replaceable Li-ion battery with capacity sufficient for multi-hour continuous operation.

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Glass Reflectron Lens Process

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 lens. Reflectron lenses are used in Timeof- Flight (TOF) mass spectrometers to create an electrostatic field to alter ion flow, providing for a longer flight path and greater resolution. A reflectron lens made with resistive glass provides an assembly replacement for a stacked ring assembly yet provides the same ability to alter ion flow.

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Fiber Laser

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 5kHz to 2MHz. The laser is also available at 1.5μm. At 1.5μm, the Mentad can produce up to 100μJ of pulse energy. Typical applications for the Mentad include: LIDAR, range finding, telemetry, target ID, 3D and topography scanning, and weather and pollutant detection.

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Infrared Emitters

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 peak emission wavelength at 850nm.

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UV Zoom Lens

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 Cerenkov image of spent nuclear fuel for analysis and comparison.

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Cylindrical Lenses

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 dimension and are commonly used in range finders to produce astigmatism. Cylindrical lenses are also used in semiconductor diode lasers as FAC lenses. Lens dimensions range from 1mm × 1mm to 100mm × 100mm.

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Camera Development Kit

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 systems.

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