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ESD Absorber

Pangolin Laser Systems Inc.Request Info
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Pangolin Laser Systems Inc. has announced the expansion of its LASORB product line with a series of components designed to protect 445-nm laser diodes from damage by direct and indirect electrostatic discharge (ESD), including single, multiple and repeated ESD events of positive or negative polarity. The proprietary LASORB is described as an “ESD absorber” created to protect laser diodes, photodiodes and LEDs.

According to the company, until recently, most short-wavelength laser diode development has been on 405-nm lasers for disk-based storage. The new 445-nm wavelength diodes are becoming popular for display applications because of their higher visibility, brighter output and, compared to conventional LED bulbs, lower power consumption, lower heat output, longer life expectancy and absence of hazardous elements like mercury.

The company introduced LASORB last year and has continued to expand the series to accommodate a broader range of laser diode products. It has proved its effectiveness and value in a variety of research and commercial applications, including those using red, infrared and Blu-ray diodes.

Prior to LASORB, ESD was a persistent and unsolved problem for laser diodes, especially Blu-ray and low-power single-mode red laser diodes. Without LASORB, a single modest ESD event can cause permanent damage, resulting in partial or complete diode failure well ahead of the manufacturers’ rated life expectancy.

It also protects against reverse bias conditions.

In addition to the newly announced series, the company produces two other series of LASORB, one optimized for red and infrared diodes and a second optimized for 405-nm Blu-ray diodes. The component package is compact and mounts in a two-pin, through-hole configuration. Custom-designed packages are available, and a surface-mount-technology version will also be offered.

Customers include government, universities and commercial companies, with applications in the fields of electronics, medicine, security, entertainment and scientific research.

Oct 2013
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