Products

Stepper Motors

The Super Torque 5818 series stepper motors from Lin Engineering (Morgan Hill, CA) measure 2.4" and feature up to 305 oz-in of holding torque. Bipolar and unipolar windings are available with the option of a custom winding for high speeds or low resonance. Applications include packaging, automation, semiconductor, and dispensing. Custom options such as shaft modifications, cabling and wire harnesses, pulleys, and high-temperature materials are available.

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Digital Projection Prisms

SCHOTT (Mainz, Germany) has developed a version of its N-BK7 glass that offers extremely high transmission (HT) for the types of prisms used in digital theater projectors. The new N-BK7HT guarantees a minimum transmission of 99.6% at a wavelength of 400nm and a thickness of 25mm. Within the visible spectrum range of between 400 and 700nm, the absorption coefficient is three times lower than with standard N-BK7. This means less heat is generated and the risk of image errors is much lower. By expanding its prism manufacturing capabilities, SCHOTT can now produce polished or coated prisms of up to 200mm in size. With smaller dimensions, surfaces with a flatness of up to •⁄10 and quality of up to 20/10 (Scratch & Dig) can be achieved.

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Microscope Automation System

The ProScan™ III Microscope Automation System from Prior Scientific (Rockland, MA) features a compact and modular design capable of controlling up to 16 axes including a motorized stage, focus drive, three filter wheels, and three shutters. A true USB with direct HID connection makes the controller both Windows and Mac compatible. A programmable TLL can control the movements, and the Interactive Control Center (ICC) provides centralized manual control of all equipment. The screen provides positional feedback while the joystick, buttons, and digipots control accessories such as: a stage, focus drive, filter wheels, and shutters.

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64-Bit Windows 7 Microspectroscopy Software

CRAIC Technologies (San Dimas, CA) has released the 64-bit version of its MINERVA™ microspectroscopy software package, designed to collect, analyze and process microspectra™ from CRAIC microspectro-photometers running 64-bit versions of Windows 7®. The MINERVA-64™ software allows the user to control CRAIC microspectrophotometers and to acquire high quality ultraviolet, color, and near infrared spectra of microscopic samples by absorbance, reflectance or fluorescence. The software is then used to analyze those microspectra. MINERVA-64 incorporates two modes of operation: a production level with recipe driven instrument control and data analysis in addition to a password protected engineering mode for creating those recipes and for advanced research.

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Miniature Thermal Imager

MIRICLE® MicroCAM™ from Thermoteknix Systems (Cambridge, UK) is a miniature thermal imager designed for portable battery operated night vision applications. The unit draws less than 0.6 watts while delivering a full 384 × 288, 60Hz composite video signal. MIRICLE MicroCAM employs patented shutterless, Thermoteknix XTi Technology ® that removes the need for an electro-mechanical shutter assembly or reliance on external lens cap to perform Non Uniformity Correction (NUC). Excluding lens, the MIRICLE MicroCAM weighs just 26g.

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Submillimeter Optical Lenses

Bern Optics, Inc. (Westfield, MA) has announced the availability of submillimeter optical lenses as small as 0.20 mm. These precision lenses can be ground and polished in a variety of difficult configurations, including plano convex, plano concave, bi-concave, bi-convex, as well as positive and negative meniscus. Created from optical and filter glasses, these microscopic elements — some as small as a grain of salt — can be produced with spherical and cylindrical radii with submillimeter curvatures and diameters. Bern Optics can also cement doublets (achromats) and triplets, furnishing exceptionally accurate alignment. The centration of each element is verified before and after cementing. Custom designed anti-reflection coatings can also be provided on all lenses.

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Picosecond MOPA Laser

Genia Photonics (Lasalle, Quebec, Canada) is now offering a family of high-performance, fiber-based MOPA (Master Oscillator Power Amplifier) lasers that deliver short, high-frequency pulses in the picosecond regime. The MOPA's output power, pulse frequency, pulse duration, and pulse energy are all user configurable during operation, but customers must specify the range for these parameters at time of order. Output maximum average power options include 100mW, 1W, 5W, 10W, 20W, and 30W; pulse width options can be either a fixed value from 20psec through 500psec or a variable range of either 20-40, 40-150, and 150-500 psec; and pulse repetition rate ranges can be selectable from within the 100 kHz to 200 MHz range. Operating wavelength can be set anywhere in the range of 1030nm to 1080nm or 1530nm to 1565nm with other wavelengths available on request.

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