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Direct Green Light Laser Modules exhibit power stability.

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April 23, 2014 - Operating from 9 Vdc over ambient range of -10 to +50C, direct emission 520 nm green laser diode modules produce elliptical beam at 520 nm and offer stable optical output up to 35 mW. RoHS-compliant products, measuring 53 mm long x 12 mm dia, come in anodized aluminum housing with 300 mm external flying leads for electrical connections. Requiring 140 mA typ operating current at 35 mW, modules feature externally adjustable optics and self-contained drive electronics.

Laser Modules Given Direct Green Light by the Optoelectronics Company


OPTOELECTRONICS COMPANY LTD
Green End Farm
Hertfordshire, United Kingdom



Acrobat PDF  Additional information provided by manufacturer

Press release date: April 14, 2014

The Optoelectronics Company has launched a range of direct emission 520nm green laser diode modules which offer OEMs and system integrators a realistic, cost and energy-efficient alternative to low-tech DPSS green laser modules

Green DPSS (Diode-Pumped Solid State) laser modules are generally large, expensive and noisy with low thermal stability. Green light is produced by the cumbersome method of doubling the frequency of an infrared laser.

Direct emission green laser diode modules, however, are small, robust and offer impressive power stability over a wide operating temperature up to 50 degrees C. Their high beam quality and low power consumption open up new possibilities as light sources.

Tony Pope, M.D., the Optoelectronics Company, explained, “By using a low power, direct emission green laser, it is possible to achieve the same or better visibility as a high power red laser diode. This is because the human eye is most sensitive to green light which appears brighter than red light of the same output power. This is obviously beneficial when laser safety classifications must be taken into consideration.”

Because green light is more visible than red laser light of the same power output and laser safety class, the green lasers are particularly suitable for outdoor applications. Rangefinders and distance meters, such as those used by builders and surveyors, can be used over longer distances without losing beam quality and coherence.

With excellent beam quality, the new range of green laser modules are also ideal for optical imaging and their small package size is advantageous for very compact designs. The new technology makes high colour rendering and contrast very achievable and enables fine details to be displayed, even over large distances, which is of interest to manufacturers of show lasers. Other applications include machine vision, biotechnology and spectroscopy.

The green laser diode modules produce a high-quality elliptical beam at 520nm and offer high output stability with optical output powers of up to 35 mW

With an operating voltage of 9V DC and a broad ambient operating temperature range from -10 degrees C to +50 degrees C, they are energy-efficient, requiring typically 140mA operating current at 35mW and offer a long lifetime at continuous operation.

Robust and reliable with externally adjustable optics and self-contained drive electronics, the modules are static, surge and reverse-polarity protected and RoHS compliant. Mechanical dimensions are 53mm long and 12mm diameter and the housing material is anodised aluminium. Electrical connections are made via 300 mm external flying leads.

ABOUT THE OPTOELECTRONICS COMPANY LTD
The Optoelectronics Company, founded in 2009 by Tony Pope and Damon Cookman, is a manufacturer of high performance custom-designed and standard laser diode modules and laser diode collimators and also an authorised distributor of innovative optoelectronic components, including Oclaro Laser Diodes and Panasonic Lenses, to industrial, medical, telecommunications and defence markets worldwide.

For more information, please visit www.oe-company.com

THE OPTOELECTRONICS COMPANY: PRESS CONTACT
Wendy Seegar
Tel: +44 (0) 1279 851851, or email: info@oe-company.com
www.oe-company.com
The Optoelectronics Company Limited
Green End Farm
Wood End Green
Henham
Hertfordshire
CM22 6AY
UK
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