LD-520-50SG • Direct Emitting Green Laser Diode Description LD-520-50SG is a direct emitting, GaN based, 520nm green laser diode in TO38 package without photodiode. It offers single transverse mode emission and >100 Mhz modulation bandwidth. It is an efficient radiation source for many applications like laser projection, holography, metrology, biomedical application… Maximum Ratings Parameter Values Symbol Unit Operating Current IF Max. 260 Reverse Voltage VR 2 V Min. mA Operating Temperature TCASE + 10 + 70 °C Storage Temperature TSTG - 40 + 85 °C 260 °C TSOLDER Soldering Temperature Laser Characteristics (T Parameter CASE = 25°C, PO = 50 mW) Symbol Values Typ. 520 Emission Wavelength λpeak Optical Output Power PO 50 Spectral Width ∆λ 2 Treshold Current Ith 60 120 mA Operating Current IF 160 200 mA Operating Voltage VF 7.3 8.0 V 6x22 11x25 deg Beam Divergence (FWHM) Polarization Modulation Frequency www.roithner-laser.com ӨII x Ө┴ 4x16 PGR 20:1 f nm mW >100 -1- Max. 530 Unit Min. 515 nm MHz 28/11/12 Performance Characteristics Optical Output Power Operating Voltage Threshold Current Spectrum www.roithner-laser.com -2- 28/11/12 Drawing Dimensions in mm Electrical Connection Lead Description Pin 1 LD Anode Pin 2 Case Pin 3 LD Cathode 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 Safety Advice This laser diode emits highly concentrated visible light which can be hazardous to the human eye. This diode is classified as Class 3B laser product according to IEC 60825-1. 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 -3- 28/11/12