Products

Fiber Pump Laser

Bookham (San Jose, CA) has introduced a high-power, uncooled multimode pump laser module for fiber laser pumping that combines high power with high reliability and stable performance. The new multimode pump laser module offers increased brightness and higher reliability than previous modules. The uncooled module, incorporating the latest generation of multimode pump laser chips from the Bookham Zurich facility, delivers more than 7 W of output power from a multimode fiber with 105-mm core diameter and NA of 0.15 or 0.22. The hermetic module with floating anode/cathode is available in various packaging form factors. The Bookham proprietary E2 process passivates the laser’s front mirror to prevent Catastrophic Optical Mirror Damage (COMD), a common problem in the development of high-brightness GaAs laser diodes.

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LED Chips

Cree, Inc. (Durham, NC) has released two new LED chips: the MegaBright 290 Gen 2 and the RazerThin 230. The MegaBright 290 Gen 2, a high-brightness chip, is 30 percent brighter and uses 8 percent less power than the chip it replaces. This new chip is targeted for digital camera, camera phone flash, and LCD backlighting applications, where brightness and power efficiency are critical considerations. The new RazerThin 230, a low-power chip, uses approximately 8 percent less energy than the previous generation device and is targeted for keypad backlighting applications where the most important design considerations are extended battery life and low cost.

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Fiber Laser Design Software

Liekki Application Designer v3.0 from Liekki (Way Gambrills, MD) is a simulation and design software environment for fiber lasers and amplifiers with new transient analysis capability. Liekki’s v3.0 provide the ability to simulate the dynamic regime and transients of active components, as well as new components such as time-dependent signal sources and optical modulators. The new software upgrade also includes the ability to calculate non-linear effect thresholds such as Brillouin scattering and Raman scattering and the effect of refractive index variation with optical power density. The software also offers an improved user interface and reporting tools.

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Progressive Scan Camera

JAI’s (San Jose, CA) CV-A436 machine vision camera uses the latest generation of VGA resolution progressive scan 1⁄3-in. imager that allows the compact head size of 17 mm (diameter) and 46 mm (length). The head is connected to the controller via a detachable robotics-grade 2-m cable. The controller box measures 29 × 44 × 66 mm. The CV-A436 features double-speed technology, enabling a high-frame-rate operation without sacrificing the S/N ratio of > 53dB. The CV-A436’s frame rate is 60 fps for full VGA resolution, while several binning and partial scan readout modes allow frame rates up to 268 fps at 1/6-frame partial scan. All camera functions, such as trigger modes, readout modes, shutter speed, and gain/offset level, are set via the RS-232C serial interface. The CV-A436 has a standard analog 1V p-p video output, compatible with a wide range of frame-grabber boards.

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