Photonics/Optics

Laser System

Carl Zeiss Microscopy (Peabody, MA) has launched the AURIGA® Laser, a new system that combines the AURIGA® CrossBeam (FIB-SEM) workstation with a pulsed micro-focus laser for fast ablation of material. The AURIGA® Laser examines samples where the target structure is buried under material layers. Ablation with a pulsed micro-focus laser beam preserves the sample, while enabling ablation rates comparable to mechanical removal. The scanning laser is a nanosecond-pulsed, diode-pumped solid-state laser operating at 355 nm provided by Trumpf AG (Ditzingen, Germany).

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PoE Cameras

Edmund Optics® (Barrington, NJ) has introduced new Power over Ethernet (PoE) cameras. Each device includes software that allows the user to set area of interest (AOI), gain, exposure, white balance, frame rate, trigger delay, and digital output (flash) delay and duration. The software can also implement edge enhancement, image mirroring and binning, and hot pixel correction.

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Laser Beam Analysis System

Spiricon (North Logan, UT) has introduced BeamMic™, a new laser beam analyzer that combines the essentials for beam analysis in a low-cost, entry-level system. BeamMic includes easy-to-use software that measures a beam’s size, shape, uniformity, and mode content. Beam intensity profiles are displayed simultaneously in 2D and 3D. Statistical analyses can be performed on measurement functions and min/max limits can be set for pass/fail testing. Results are logged and can be exported to industry standard formats. A configurable report generator allows cutting and pasting of results, images, and settings. BeamMic software is integrated with one of four Spiricon USB CCD cameras designed specifically for beam measurements.

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Optical Sensor

Maxim Integrated Products (Sunnyvale, CA) offers the MAX44000, a digital ambient-light and infrared proximity sensor that detects light like a human eye. Designed using the company’s proprietary BiCMOS technology, the IC integrates three optical sensors, two ADCs, and digital functionality into a 2mm x 2mm x 0.6mm package.

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3D Polarizing Filters

American Polarizers (Reading, PA) has introduced glass 3D circular polarizing filters for use with dual projection systems. API filters feature a range of sizes up to 14" x 20". Tight control of transmission characteristics gives the filters low ghosting properties when used with high-light-output projection systems of up to 30,000 lumens. Anti-reflective coatings on both sides enhance light transmission properties. Standard axis configuration is 0°/90°, but nonstandard axis configurations can be customized whether for circularly or elliptically polarized filters.

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Laser Diode

Renesas Electronics (Tokyo, Japan) and California Eastern Laboratories (Santa Clara, CA) are now sampling the 405-nm Blue-Violet Laser Diode, the NV4V31MF. The NV4V31MF provides precise laser emission supporting particle measurement, industrial precision measurement including location measurement and surface uniformity detection, holography, lithography, wafer processing equipment, and bio-medical instrumentation. The NV4V31MF provides designers with a Blue-Violet Laser Diode in a 3.8 mm CAN package. The NV4V31MF has an optical output power (CW) of 175mW @ 150mA, peak emission wavelength of 405 nm, and an operating temperature range of 5°C to 85°C.

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Inlet Funnels on Mars Rover Are Validated Using Scanning Laser Vibrometry

NASA’s latest mission to Mars in November 2011 sent the Mars Science Laboratory rover “Curiosity” to assess whether Mars ever had, or still has, an environment able to support life. While on Mars, Curiosity will collect soil and environmental samples, and analyze the samples on location. Preventing contamination of the rover is critical to ensure that Curiosity’s data collection and analysis yields accurate results. Thus, engineering models and flight models are tested separately to validate design requirements of the various systems aboard the rover.

Posted in: Application Briefs, Lasers & Laser Systems, Lasers, Lasers, Vibration, Vibration, Test procedures, Spacecraft
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A Better Understanding of High-Temperature Superconductors

Superconductivity, in which electric current flows without resistance, promises huge energy savings – from low-voltage electric grids with no transmission losses, super-efficient motors and generators, and myriad other schemes. But such everyday applications still lie in the future, because conventional superconductivity in metals can’t do the job.

Posted in: News, News, Power Management, Energy, Energy Storage, Lasers & Laser Systems
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Compact Green Disk Laser for Therapy Systems

This diode-pumped, thin-disk laser is designed for applications in ophthamology, dematology, and endoscopy

The JenLas® D2.mini 5/8 W, recently introduced to the U.S. market, offers an output power of up to 8 Watts. Lasers of the JenLas D2 product line work in continuous wave mode, emitting green laser light at 532 nm. The infrared laser light is converted into green laser light by an intracavity frequency doubling crystal. The new laser is a multi-mode system.

Posted in: Briefs, MDB, Briefs, Medical, Lasers & Laser Systems, Robotics, Lasers, Optics, Lasers, Optics, Medical equipment and supplies
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Light Source Enables Endoscope Miniaturization

This work will explore an illumination system's potential to miniaturize traditional endoscopes by shrinking the size of the channel used to deliver light.

Physical space constraints continue to impact advanced procedures such as single-incision laparoscopic surgery, robotic-assisted surgery, and other minimally invasive surgical procedures. Additional functionality and instruments are being squeezed through the smallest incisions possible. Available space continues to tighten with the migration of larger diameter, three-dimensional, high-definition endoscopic imaging systems into minimally invasive procedures. Fortunately, a significant portion of the endoscope, the light delivery channel, can be reduced in size, thereby allowing the space to be used for other purposes, or for shrinking the endoscope itself.1

Posted in: Briefs, MDB, Briefs, Imaging, Bio-Medical, Diagnostics, Medical, Fiber Optics, Downsizing, Lasers, Lasers, Medical equipment and supplies, Surgical procedures, Interior lighting, Interior lighting, Robotics
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