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Tiny, Versatile Laser Modules with Line and Cross Generating Optics


UK optoelectronics device manufacturer and laser diode specialist, Photonic Products, has developed a range of compact and affordable laser modules generating an accurate line or cross at 635nm or 650nm with uniform intensity distribution. The laser modules measure just 29mm in length, with a diameter of only 8mm and are extremely efficient and reliable.

They are ideal for the most demanding industrial and medical applications where space is at a premium, such as handheld instrumentation, targeting, alignment and machine vision.

These laser diode modules generate either a 70 degree full angle cross or a 58 degree or 88 degree full angle line, all factory focused at 1000mm. The focus can be set at other distances on request. The lens system produces an efficiently uniform intensity laser line.

At a visible wavelength of either 650nm or 635nm, these compact laser diode modules offer output powers of 0.9mW or 4mW with power stability of less than 5 per cent. Operating voltage is from 3V to 6V DC at an operating current of 30mA typ, (0.9mW) or 40mA typ, (4mW). Operating temperature range is -10 degrees Centigrade to +40 degrees Centigrade.

The laser modules consist of a brass housing, a laser diode, drive circuit and beam-shaping optics. Electrical connections are made via external flying leads. All modules have static, surge and reverse polarity circuit protection.

Photonic Products was established in 1995 and has offices in the UK, USA and Germany.
It is an ISO9001:2000 certified manufacturer of electro-optical sub-assemblies and innovative optoelectronic components based on semiconductor laser diode technology, and also a specialist distributor of high performance industrial laser diodes, LEDs and precision optical lenses to the industrial, medical, military and scientific markets. It is a Queen’s Award for International Enterprise winner. (

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