Features

Product of the Month: 1940nm Diode Laser Arrays

DILAS (Tuscon, AZ) has introduced the first commercially available high-power diode laser arrays operating at 1940nm with wall plug efficiencies (WPE) of >10-percent.

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Pyroelectric Detectors

Spectrum Detector (Lake Oswego, OR) manufactures the LiTaO3 Pyro-electric Detector Hybrid for use in applications including energy measurement, power measurement, radiometry, spectral radiometry, and FTIR and IR Gas analysis. The large area, 9 mm spectrally flat pyroelectric detectors are offered in either a voltage or current mode circuit with NEP in the nW range and Rv as high as 13,000 V/W. An optional organic black absorbing coating adds flat spectral response from 0.25 to 14.0 μm.

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Vibration Cancellation System

Technical Manufacturing Corporation (TMC) (Peabody, MA) offers Electro-Damp® PZT active inertial vibration cancellation system for use in microlithography, inspection, and metrology tools. Electro-Damp PZT is an active, inertially damped, pneumatic vibration isolator. Electro-Damp features extended stroke piezoelectric actuators, fast settling time in response to stage motion, and it has no soft air suspension. Available in either 3 or 6 degrees-of-freedom, the compact Electro-Damp PZT installs easily.

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Power Converters

EMCO (Sutter Creek, CA) provides high voltage power supplies with high performance in miniature packages. Standard, off-the-shelf products range from ultra-miniature high voltage converters occupying 0.125 cubic inches to precision, multi-output, rack-mount high voltage systems. The RoHS high voltage power converters feature low out gassing epoxy, extended operating temperature, and low power consumption models.

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Digital Potentiometer

The iC-HL from iC-Haus GmbH is a 1,024-step logarithmic precision potentiometer used to set the optical output power of laser diodes in conjunction with APC laser drivers. iC-HL’s logarithmic characteristic curve provides continuous precision setup across a wide resistance range of 350 Ω to 80 kΩ. Resistance can be set using a new, wireless, optical programming interface based on the transmission of PWM coded light pulses straight into the laser monitor diode. Even assembled and encapsulated modules and those mounted in inaccessible places can be calibrated or have their output power adjusted. Transmission is protected against manipulation by encryption and CRC.

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Laser Interferometer Kit

4D Technology Corporation (Tuscon, AZ) offers the MiniFIZ from ADE Phase Shift laser interferometer upgrade kit. The kit extends the life and enhances functionality of MiniFIZ temporal phase shifting interferometers. The MiniFIZ upgrade kit includes an updated computer system running Windows operating system software. The upgrade also includes 4Sight, 4D’s wavefront analysis software that increases the analysis, filtering, visualization, and output tools for improved flexibility. The kit also includes a frame grabber board, analog-digital converter board, piezo phase-shift driver, and documentation.

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Optical Table

The vibration-damping Ultimate Performer 5300 Series Optical Table from Kinetic Systems (Boston, MA) has Maximum Dynamic Deflection Coefficients of ≤0.3 (10)-3 and an IRD-Maximum Relative Motion of 0.8 (10)-9 inches. The 5300 Series features a broadband damping plus quad-tuned dampers in each corner. Flatness is ±0.005" overall and core shear modulus is 225,000 psi. The 5300 Series is available in sizes up to 6' × 20' and in thicknesses up to 36". Standard tabletops have a ferromagnetic stainless steel top skin and a proprietary epoxy-bonded honeycomb core that features the SPILL-PRUFTM design.

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