www.roithner - laser.com 1 rlt 520 - 50 mg s ? green laser diode ? 520 nm, 4 0 mw ? single transverse mode ? to 18 package , flat window maximum rating * (t case = 25c) parameter symbol values unit min. max. reverse voltage v r 2 v operating temperature * t opr 0 + 60 c storage temperature * t stg - 4 0 + 85 c soldering temperature (max. 3 s) t sol + 26 0 c * operating close to or outside these conditions may damage the device electro - optical characteristics (t case = 2 5 c ) parameter symbol values unit min. typ. max. peak wavelength p 510 520 530 nm optical output power p o 40 50 mw spectral width (fwhm) 2.0 nm operating voltage v f 7.5 8.0 v threshold current i th 55 80 ma operating current i f 160 180 ma monitor current i pd 30 a beam divergence (fwhm) parallel ?ii 5 7 12 deg. perpendicular ? 15 21 24 deg. electrical connection pin configuration bottom view d escription rlt 520-5 0m g s is a green laser diode, typically emitting at 520 nm . it features single transverse mode emission and wide operat ing temperature range of up to 6 0c . it is an efficient radiation source for many applications like laser projection , holography, metrology, or use in the biomedical field . rlt 520 -50mg s comes in 5.6 mm to - can package with integrated pd . pin # function pin 1 ld cathode pin 2 ld anode, pd cathode pin 3 pd anode 18.10 .17
www.roithner - laser.com 2 outline dimensions all dimensions in mm precautions safety caution: laser light emitted from any laser diode m ay be harmful to the human eye . avoid looking directly into the laser diode?s aperture when the diode is in operation. note: the use of optical lenses with this laser diode will increase eye hazard esd caution always do handle laser diodes with extreme care to prevent electrostatic discharge , the primary cause of unexpected diode failure . to prevent esd related failures, it is strongly advised to always wearing wrist straps , and grounding all applicable work surfaces , when handling laser diodes operating considerations it is strongly advised to only operate this laser diode with a current source. the current of a laser diode is an exponential function of the voltage across it. u sage of current regulated drive circuits is mandatory. laser diodes may be damaged by excessiv e drive currents or switching transients it is advised, to operat e the laser diode at the lowest temperature possible , and to never exceed maximum specifications as outlined in the datasheet . device degradation will accelerate with increased temperature. p roper heat sinking will greatly enhance stability and life time of the laser diode ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice .
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