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| SLD327YT 3W High Power Laser Diode Description The SLD327YT has a compatible package, and allows independent thermal and electric design. It is a high power laser diode that affords easy optical design. Features * High-optical power output Recommended optical power output: PO = 3.0W * High-optical power density: 3W/200m (Emitting line width) Applications * Solid state laser excitation * Medical use * Material processing * Measurement Structure AlGaAs quantum well structure laser diode Operating Lifetime MTTF 10,000H (effective value) at Po = 3.0W, Tth = 25C Absolute Maximum Ratings (Tth = 25C) * Optical power output PO 3.3 * Reverse voltage VRLD 2 PD 15 * Operating temperature (Tth) Topr -10 to +30 * Storage temperature Tstg -40 to +85 M-288 Equivalent Circuit TE Cooler Case LD TH PD 1 3 4 5 6 7 8 9 10 Pin Configuration (Top View) No. Function TE cooler (negative) -- Case Laser diode (anode) Thermistor Thermistor Laser diode (cathode) Photo diode (anode) Photo diode (cathode) TE cooler (positive) W V V C C 1 2 3 4 5 Warranty This warranty period shall be 90 days after receipt of the product or 1,000 hours operation time whichever is shorter. Sony Quality Assurance Department shall analyze any product that fails during said warranty period, and if the analysis results show that the product failed due to material or manufacturing defects on the part of Sony, the product shall be replaced free of charge. Laser diodes naturally have differing lifetimes which follow a Weibull distribution. Special warranties are also available. 6 7 8 9 10 Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E95Z13B01-PS SLD327YT Optical and Electrical Characteristics Item Threshold current Operating current Operating voltage Wavelength Radiation angle Perpendicular Parallel Position Positional accuracy Angle Symbol Ith Iop Vop P // X, Y // D Imon Rth PO = 3.0W PO = 3.0W VR = 10V Tth = 25C PO = 3.0W PO = 3.0W PO = 3.0W PO = 3.0W PO = 3.0W Conditions (Tth = Thermistor temperature, Tth = 25C) Min. Typ. 0.6 4.0 2.4 790 20 5 30 10 Max. 2.0 6.0 3.0 840 40 20 100 3 4 0.5 0.2 0.85 1.1 10 1.5 4.0 Unit A A V nm degree degree m degree degree W/A mA k Differential efficiency Monitor current Thermistor resistance Wavelength Selection Type SLD327YT-1 SLD327YT-2 SLD327YT-3 Type SLD327YT-21 SLD327YT-24 SLD327YT-25 Wavelength (nm) 795 5 810 10 830 10 Wavelength (nm) 798 3 807 3 810 3 Handling Precautions Eye protection against laser beams The optical output of laser diodes ranges from several mW to 10W. However the optical power density of the laser beam at the diode chip reaches 1.5MW/cm2. Unlike gas lasers, since laser diode beams are divergent, uncollimated laser diode beams are fairly safe at a laser diode. For observing laser beams, ALWAYS use safety goggles that block infrared rays. Usage of IR scopes, IR cameras and fluorescent plates is also recommended for monitoring laser beams safely. Laser diode Lens Optical material Safety goggles for protection from laser beam IR fluorescent plate Optical board Optical power output control device Temperature control device -2- SLD327YT Example of Representative Characteristics Optical power output vs. Forward current characteristics 5 Tth = 25C 4 0.8 1.0 Tth = 25C PO = 3.0W Far field pattern PO-Optical power output [W] Relative radiant intensity 3 0.6 2 0.4 // 0.2 1 0 1.5 3 4.5 6 7.5 -40 -20 0 20 40 IF-Forward current [A] Angle [degree] Oscillation wavelength 1.0 Tth = 25C PO = 3.0W 0.8 50 Thermistor characteristics Relative radiant intensity 0.6 Rth-Thermistor resistance [k] 792 796 800 804 808 Wavelength [nm] 10 0.4 5 0.2 0 -10 0 10 20 30 40 50 60 70 Tth-Thermistor temperature [C] TE cooler characteristics 40 Tc = 33C 20 40 TE cooler characteristics 20 Tc = 25C 15 TvsV T = 4A 3A 20 2A 10 1A 1A 0 80 0 0 20 40 60 T-Temperature difference [C] T : Tc - Tth Tth : Thermistor temperature Tc : Case temperature 2A 3A 5 TvsQ T = 4A 0 80 10 Q-Absorbed heat [W] Q-Absorbed heat [W] VT-Pin voltage [V] TvsV T = 4A 20 2A 10 1A 1A 0 0 20 40 60 T-Temperature difference [C] T : Tc - Tth Tth : Thermistor temperature Tc : Case temperature 2A 3A TvsQ T = 4A 5 3A 10 -3- VT-Pin voltage [V] 30 30 15 SLD327YT Package Outline Unit: mm M-288 + 0.08 4 - 4.04 - 0.03 38.60 0.15 19.05 0.15 5.0 Window Glass R1 .0 R1 .0 1.0 9 - 1.0 2.54 44.45 0.50 LD Chip 31.75 0.50 0.9 MAX 3.6 12.8 150g - 4 4 - 31.75 0.50 3.0 14.9 0.3 17.8 0.3 Reference Plane 19.30 0.15 SONY CODE EIAJ CODE JEDEC CODE 17.0 26.4 M-288 PACKAGE WEIGHT -4- Sony Corporation |
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