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Red Laser Diode

Photonics Spectra
Sep 2010
Mitsubishi Electric Europe BV, Semiconductor European Business GroupRequest Info
 
Mitsubishi Electric Europe BV has introduced a 638-nm red laser diode. The ML520G72 offers high output power and is suited to picoprojector applications or other portable display systems requiring a red light source with high brightness. Its 500-mW output power achieves a luminous flux of up to 60 lm as opposed to the 10 lm offered by LED-based projectors, according to the company. Conversion efficiency from electrical to optical power is 32% at 500 mW and at a case temperature of 25 °C. This helps to reduce power consumption and therefore to extend the battery lifetime. Over the temperature range of –5 to 40 °C, the laser diode can produce up to 500 mW of continuous-wave power, and it can provide pulsed laser light of 600 mW at 50 °C when operating with a maximum duty cycle of 25% at frequencies of at least 50 Hz.


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conversion efficiencyDisplaysElectrical powerhigh brightnesslaser diodesLight Emitting Diodelight sourcesLuminous FluxMitsubishi Electric EuropeML520G72New Productsoptical powerOutput Powerpicoprojectorportable display systempulsed laser lightpulsed lasersred laser diodeLEDslasers

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