www.roithner - laser.com 1 s h d 458 0 mg ? b lue laser diode ? 4 50 nm, 8 0 mw ? single mode ? to56 package , flat window maximum rating * (t case = 25c) parameter symbol values unit min. max. optical output power * 1 p o (cw) 8 5 mw ld reverse voltage v r ld 2 v operating temperature * 1 t opr - 10 + 7 0 c storage temperature t stg - 4 0 + 85 c soldering temperature (max. 3 s) t sol + 260 c * operating outside these conditions may damage the device * 1 operating at maximum ratings may influence the life time electro - optical characteristics (t case = 25 c , p o = 8 0 mw ) parameter symbol values unit min. typ. max. peak wavelength p 4 40 4 50 4 60 nm optical output power p o 8 0 mw operating voltage v f 5 .1 6 .0 v threshold current i th 2 2 4 0 ma operating current i f 8 4 1 20 ma monitor current (v rd = 5 v) i m / a slope efficiency cw 0.8 1 .3 w/a beam divergence (fwhm) parallel ?ii 6 1 0 14 deg. perpendicular ? 1 9 2 4 2 9 deg. d escription shd4580m g is a direct emitting, gan based , 450nm blue laser diode in 5.6 mm to - can without photodiode , f eatur ing single transverse mode emission . shd 4580m g is an efficient radiation source for many applications like laser projection , holography, metrology, biomedical application? rev . 1. 0 01 .0 9 .17
www.roithner - laser.com 2 electrical connection pin configuration bottom view outline dimensions all dimensions in mm pin # function pin 1 ld a node pin 2 n ot connected pin 3 l d cathode
www.roithner - laser.com 3 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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