Features

Laser Processing System

Universal Laser Systems (Scottsdale, AZ) has added a laser platform to its XL Series of industrial CO2 laser processing systems that can provide 400 watts of air-cooled laser power. The laser utilizes direct air-cooling, eliminating the need for chillers and plumbing. Two models are available: the XL-9200 features a 36 × 24" processing field, and the XL-12000 is configured with a 48 × 24" processing field.

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FBG Sensor Arrays

QPS Photronics (Montreal, QE, Canada) offers sensor arrays with 100 Fiber Bragg Gratings (FBGs) in each array, with the total length of the fiber measuring 20 kilometers. Through a front-end switch matrix, 16 of these fiber arrays can be connected together to form a Star Network that contains a total of 1,600 sensors. This fiber array network can be interrogated using Time Division Multiplex (TDM). Under TDM, FBGs are separated by fixed distances of between 10 and 100 meters. These FBGs have characteristics such as center wavelengths, bandwidths, and reflectivity.

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CCD Camera

A custom CCD camera capable of operating at 100 million frames per second is available from KAMAN Electro-Optics Dev. Center (Tucson, AZ). The camera’s 10-nsec exposures offer speed-of-light image capture outside the gated-ICCD realm. The units are available as 64 × 64 format with 16-frame burst capability. Individual frame integration is programmable from 10-nsec to 1 μsec within each burst, which can repeat at 400 Hz. Output is 12-bit Camera Link format. The CCD camera is suitable for applications in 3D image capture with a single laser pulse, projectile measurement, and fluorescence studies.

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UV Hazard Meter

The X1-1 + XD-9506-4 UV hazard meter and detector from Gigahertz- Optik (Newburyport, MA) can operate and display separate UV-C/B and UV-A detector measurements, and can calculate and display the sum of the two detector readings for UV hazard assessment. The XD-9506 detector covers the ACGIH/ICNIRP UV spectral guidelines by employing two sensor/filter/diffuser combinations, providing separate ACGIH UV-A and ACGIH UVC/B spectral responses. The two-sensor method enables assessment of hazard because the ACGIH/ICNIRP UV-C/B function exhibits approximately 10,000× higher weighting than UV-A.

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Imaging Camera

PerkinElmer Optoelectronics (Fremont, CA) has introduced the MultiBlue™ multi-purpose CCD imaging camera featuring 12-bit output depth and USB 2.0 and IEEE-1394b FireWire interfaces that provide dual plug-and-play connectivity. The camera is Windows XP-compatible, and includes an Eastman Kodak KAI-0340SM imager with a pixel resolution of 640 × 480. Other imagers also are available. Using a temperature-stabilized design, the camera eliminates the need for cooling. It is suitable for use in industrial applications such as semiconductor and pharmaceutical inspection.

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Laser Event Recorder

OPTRA (Topsfield, MA) offers a laser event recorder that measures, characterizes, and documents laser exposures in support of dosimetry requirements for the protection of personnel working with, or who could potentially be exposed to, laser illumination. The laser event recorder is battery powered and operates for six hours against continuous and pulsed laser sources in the visible and near-infrared portion of the spectrum. The recorder detects laser energy, extracts exposure information such as irradiance level, wavelength, pulse duration, pulse repetition frequency, time and location of exposure, and captures an image of the scene containing the laser. Irradiance levels are compared to the appropriate ANSI standard to determine if the exposure level poses a hazard to eye safety.

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Crystal Rotation Stage

Cleveland Crystals (Highland Heights, OH) has introduced the CRS150 counter rotation stage that can facilitate simultaneous angle-tuning of two crystals oriented for compensation of birefringent walkoff. The walkoff compensation configuration provides nonlinear optical conversion, reduces distortion, and minimizes beam displacement. Mounted in a compact footprint, the CRS150 provides operation via computer control with phase-matching software for second harmonic generation or optical parametric oscillation with specific crystals, manual micrometer adjustment, or standalone remote control of a motorized micrometer encoded for readout of relative position.

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