Semiconductor Laser LNC802PS GaAlAs Semiconductor Laser ø5.6 +0 –0.025 ø4.3±0.1 ø3.55±0.1 Unit : mm 2 ø1.0 min. 0.4±0.1 Low threshold current Stable single horizontal mode oscillation 110˚±1˚ Y Features 2.3±0.2 1.27 0.25 Kovar glass LD pellet Reference plane Z 6.5±0.5 Optical data processing devices Optical disk memory ø1.2 max. 3-ø0.45 0.5 max. Applications 2 1 Medical equipment 3 Reference slot 1.2±0.1 High radiant power : 50mW PD 1 Junction plane 1.0±0.1 Long lifetime, high reliability LD X 3 1: LD Anode 2: Common Case 3: PD Cathode ø2.0 Bottom view Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Radiant power Reverse voltage Ratings Unit PO 50 mW Laser VR 1.5 V PIN VR (PIN) 30 V Pd (PIN) 100 mW Power dissipation Operating ambient temperature Topr –10 to +60 ˚C Storage temperature Tstg – 40 to +80 ˚C Electro-Optical Characteristics (Ta = 25˚C) Parameter Conditions min typ max Unit Threshold current Ith CW 10 30 50 mA Operating current IOP CW PO = 40mW 45 65 100 mA Operating voltage VOP CW PO = 40mW 2.0 3.0 V λL CW PO = 40mW 815 830 845 nm Horizontal direction θ//*1 CW PO = 40mW 7 10 13 deg. Vertical direction θ⊥*1 CW PO = 40mW 18 25 30 deg. 0.6 1.0 1.5 Oscillation wavelength Radiation angle Differential efficiency η CW PO = 36mW/I(40mW – 4mW) PIN photo current IP CW PO = 40mW, VR (PIN) = 5V Optical axis accuracy mA IR VR (PIN) = 15V 0.1 µA X direction θX CW PO = 40mW –2.0 +2.0 deg. Y direction θY CW PO = 40mW –3.0 +3.0 deg. Reverse current (DC) *1 Symbol The radiation angle is indicated as half full angles. 1 Semiconductor Laser LNC802PS PO — IOP I—V 60 Far field pattern 200 100 Ta = 25˚C Relative radiant power ∆PO 100 I (mA) 40 30 0 Current Radiant power PO (mW) 50 20 –100 10 0 0 40 80 –200 –4 120 –2 0 2 80 60 20 20 Ith — Ta IOP — Ta 10 2 0 20 40 Angle θ (deg.) Voltage V (V) Operating current IOP (mA) θ⊥ 40 0 40 4 θ// PO — Ta 10 3 60 PO = 40mW 10 PO (mW) Radiant power Operating current Threshold current Ith (mA) IOP (mA) 50 10 2 40 30 20 10 1 – 10 10 30 50 70 Ambient temperature Ta (˚C ) Id — Ta VR (PIN) = 15V PIN dark current Id (nA) 10 1 10 –1 10 –2 10 30 50 Ambient temperature Ta (˚C ) 2 10 30 50 Ambient temperature Ta (˚C ) 10 2 10 –3 – 10 10 – 10 70 70 0 – 10 10 30 50 70 Ambient temperature Ta (˚C )