Features

Resonator Optics

Alpine Research Optics (ARO, Boulder, CO) provides off-the-shelf intracavity resonator optics for excimer lasers. These are rear high reflectors and uncoated output couplers for use with ArF (193 nm), KrF (248 nm), and XeCl (308 nm) excimer lasers. Both rear mirrors and output couplers are offered in 38.1 mm diameter MgF2 substrates. The optics are specified to have ×/10 flatness and ×/8 wavefront distortion on transmission (633 nm), and a surface quality of 10-5.

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Picoseconds Amplifier Laser

Time-Bandwidth Products, Inc. (Westfield, MA) offers a compact and sealed OEM version of its picoseconds, high repetition rate DuettoTM laser system for industrial and scientific applications like material processing, micro machining, biological tissue manipulation, pump-probe spectroscopy, surface metrology, and non-linear process pumping. The temperature-stabilized laser-head size is 695 × 410 × 122 mm. As an option, the system can be equipped with real pulse on demand (POD), and can provide high energy, high repetition rate picosecond pulses at 532 nm or 355 nm to a work surface.

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Motion Capture Software and Systems for Gait Analysis and Biomedicine

Nowadays, there are many technologies available that are used to quantify the motion of humans and animals. However, recent innovations in optical motion capture systems have added unprecedented capabilities, allowing the same program to be used by clinicians to assess walking deficiencies, i.e., gait analysis, of their patients; by movie animators to quantify the subtle motions of groups of actors; by engineers to evaluate how workers interact with machinery; and by researchers to study the locomotion of animals and better design walking and flying robots.

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Hydraulic Safety Catchers Protect Spallation Neutron Source Shutter Operation

At full power, the Spallation Neutron Source (SNS), part of Oak Ridge National Laboratory (ORNL, Oak Ridge, TN), will produce the world’s most intense pulsed neutron beams for neutron scattering research methods. With a full-power capability of 1.4 megawatts, the SNS is used for scientific research and industrial development. While neutrons are abundant in the universe, for the detailed images researchers require, only a neutron of the right “brightness” can be used; SNS provides these brighter neutrons. The neutron delivery system consists of shutters composed of tungsten and steel, weighing 18 and 30 tons and two meters thick, and which are raised and lowered vertically by stainless steel hydraulic cylinders. The shutters are used to maintain position integrity and control the flow of neutrons of the SNS. Employed at each shutter are two specially designed hydraulic release stainless steel Sitema Safety Catchers designed by Advanced Machine & Engineering (AME, Rockford, IL).

Posted in: Applications, Application Briefs

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Piston Pump Helps Drive Cotton Module Loading Procedure

World cotton production in 2006/07 is forecast at 115.7 million bales, and global cotton consumption is forecast at a record of nearly 121 million bales, with 13.2 million acres dedicated to cotton in the United States alone. Cotton is one of the most heavily traded commodities on the world market, and whose value is influenced by how fast the product leaves the field and gets to the gin for processing into fiber. Module Truck Systems (MTS, Lubbock, TX) designed a specialized truck, a cotton module mover, to facilitate quick transportation of cotton from the field to gin yard, using the Heavy Duty Series 2 Hydrostatic Pump from Eaton Corp. (Cleveland, OH) to drive the loading chains that holds the raw cotton as it loads into the trailer bed.

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Optical Encoder Module

Avago Technologies (San Jose, CA) introduced the AEDS-964x optical encoder modules, with resolutions of up to 360 lines per inch, for printing applications. The modules are used with a transmissive code strip to detect linear motion, or with an 11 mm optical radius transmissive code wheel for rotary motion. Features include: RoHS-compliant lead-free package, wide resolution range, two-channel quadrature output, lensed LED light source, guide bumps, and an optical design insensitive to radial, tangential, and axial misalignment.

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Digital Torquemeter

S. Himmelstein and Co. (Hoffman Estates, IL) released the MCRT® 48200V Series Compact Digital Torquemeters, having no pots, switches, and requires no manual adjustment. The non-contact devices have full-scale ranges from 25 to 10,000 lbf-in. Two accuracy grades are available: 0.2% (Code N standard performance) and 0.15% (Code C enhanced performance). The series outputs ±10 V or ±5 V analogs of torque and engineering unit data via com port. Features include internal signal processing accurate to 14 bits; strain gage sensing; alloy steel shaft with 200% torque overload capacity; NIST traceable calibration; noise tolerance; and optional speed pickup. Included is software that interfaces with Windows® PCs that displays engineering unit current, peak, valley, and spread data, as well as classifying limits and plotting in real time.

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