RLU4116E Description LD-375-70MG is an Ultra Violet Laser Diode emitting at 375 nm with rated output power of 70 mW in standard 5.6mm TO package. It features integrated photo diode and ESD protection circuit. Maximum Ratings Parameter Values Symbol Unit Optical Output Power PO Max. 85 PD Reverse Voltage VR (PD) 5 V Min. IR Reverse Current mW 85 mA Operating Temperature TCASE + 10 + 40 °C Storage Temperature TSTG - 40 + 85 °C 260 °C TSOLDER Soldering Temperature Laser Characteristics (T CASE = Parameter 25°C, PO = 70 mW) Symbol Min. 370 Values Typ. - Max. 380 Unit Emission Wavelength λpeak Optical Output Power PO Spectral Width ∆λ 2 Threshold Current Ith 50 75 mA Operating Current IF 110 140 mA Operating Voltage VF 5.4 6.0 V 70 nm mW nm Beam Divergence (FWHM) ӨII x Ө┴ 6x19 9x22.5 11x26 deg. Beam Pointing Accuracy (FWHM) ∆ӨII / ∆Ө┴ - 3 / -3 - 3/3 deg. η 0.9 1.2 Slope Efficiency Monitor Current* 0.05 0.2 Im *Monitor current is short term power reference only. Not guaranteed for accuracy. www.roithner-laser.com -1- W/A 2.0 mA 29/11/12 Performance Characteristics Output Power vs. Forward Current Forward Voltage vs. Forward Current Output Power vs. Case Temperature Peak Wavelength vs. Case Temperature Far Field Pattern Spectrum www.roithner-laser.com -2- 29/11/12 Drawing Dimensions in mm Electrical Connection Lead Description Pin 1 LD Anode Pin 2 LD Cathode Pin 3 PD Cathode Pin 4 PD Anode View from below, dimensions in mm Mounting Instruction In order to maintain lifetime and stability of the laser diode it is essential to provide efficient heat management. Heat dissipation is possible through the base plate only. For long time stable operation proper contact between laser diode base plate and heat sink is mandatory www.roithner-laser.com -3- 29/11/12 Safety Advice This laser diode emits highly concentrated ultra violet light which can be hazardous to the human eye. This diode is classified as Class 3B laser product according to IEC 60825-1 and 21 CFR Part 1040.10 Safety Standards. Actual laser light emitted and precautions necessary strongly depend on mode of operation. © All Rights Reserved The above specifications are for reference purpose only and subjected to change without prior notice www.roithner-laser.com -4- 29/11/12