www.roithner - laser.com 1 rlt785 - 100mgs v 1. 1 29 . 0 1 .201 5 description rlt785 - 100mgs is a single mode laser diode emitting at typical 785 nm with rated output power of 100 mw cw at room temperature. the 5.6 mm to package includes a cap and flat window, and contains a built - in monitor pd . maximum ratings (t case =25c) parameter symbol values min. max. unit forward current i f ma reverse voltage v f 2.0 v operating temperature t case - 1 0 + 7 0 c storage temperature t stg - 40 + 85 c lead solder temperature * 2 t sld + 28 0 c * 1 must be completed within 5 seconds electro - optical characteristics (t case =25c) * 1 duty=50%, pulse width = 0.5 s parameter symbol values min. typ. max. unit peak wavelength p 775 785 795 nm half width ? 2.0 nm optical output power (cw mode) p o 100 mw optical output power (pulse mode ) * 1 p o 220 mw laser beam mode single mode threshold current i th 35 55 ma forward current i op 140 160 ma forward voltage v op 2.0 2.5 v slope efficiency 1.1 1.3 mw/ma beam divergence ? ii 7 9 10 beam divergence ? 15 17 19 monitor current i m 0.5 0.8 ma pd reverse voltage v pdr 30 v
www.roithner - laser.com 2 typical performance curves p/i/v curve monitor current (a) optical output power (mw) forward voltage (v) forward current (ma)
www.roithner - laser.com 3 outline dimensions all dimensions in mm electrical connection rlt785 - 100mgs 5.6 mm, flat window n - type lead description pin 1 ld cathode pin 2 ld anode, pd cathode pin 3 pd anode
www.roithner - laser.com 4 precautions esd caution : always do handle la ser diodes with extreme caution to prevent electrostatic discharge, the primary cause of unexpected diode failure. esd failures can be prevented by always wearing wrist straps, only using a grounding workplace, and following strict anti - static guidelines when handling the laser diode. safety advice : this laser diode emits highly concentrated infrared light which can be hazardous to the human eye and skin . this diode is classified as class 3 laser product according to iec 60825 - 1 and 21 cfr part 1040.10 safety standards . operating considerations : oper ating the laser diode outside of its maximum ratings may cause failure or a safety hazard. the diode may be damaged by excessive drive currents or switching transients. if the diode is operated using a power supply, it is strongly recommended to connect th e diode with the output voltage set to zero. the voltage should then be increased slowly and with great caution, while at the same time carefully monitoring the laser diodes output power and drive current. the laser diode will show accelerated degradation with increased temperature, and it is advised to keep the case temperature low therefor, by means of heat sinking the device. ? all rights reserved the above specifications are for reference purpose only and subjected to change without prior notice
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