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| Semiconductor Laser LNC703PS Semiconductor Laser for LBP(Laser Beam Printers) o5.6 +0 -0.025 o4.30.1 o3.550.1 Unit : mm 2 Overview The LNC703PS is a near infrared GaAlAs laser diode which provides continuous oscillation in single mode and is stable at low operating current. This product is characterized by a low operating current and low drooping, making it suitable for a wide range of optical information equipment. o1.0 min. 0.40.1 1101 LD 1 Junction plane Reference plane 1.00.1 3 PD 2.30.2 1.27 0.25 Reference slot Kovar glass LD pellet Reference plane o1.2max. 3-o0.45 2 High output (15 mW) for increased printing speed Stable single horizontal mode oscillation Low astigmatic difference Low drooping 6.50.5 0.5 max. 1 o2.0 Bottom view Low current operations : 40 mA (with 12 mW output) 1.20.1 Features 3 1: LD Anode 2: Common Case 3: PD Cathode Absolute Maximum Ratings (Ta = 25C) Parameter Radiant power Reverse voltage Power dissipation Operating ambient temperature Storage temperature Laser PIN Symbol PO VR VR (PIN) Pd (PIN) Topr Tstg Ratings 15 2 30 100 -10 to +60 - 40 to +80 Unit mW V V mW C C Electro-Optical Characteristics (Ta = 25C) Parameter Threshold current Operating current Operating voltage Oscillation wavelength Radiation angle Horizontal direction Vertical direction Symbol Ith IOP VOP L //* * IR IP X Y Dr CW Conditions PO = 12mW PO = 12mW PO = 12mW PO = 12mW PO = 12mW PO = 9mW/I(12mW) - I(3mW) VR (PIN) = 5V PO = 12mW, VR (PIN) = 5V PO = 12mW PO = 12mW PO = 12mW, f = 600Hz, duty10% to 90% min 10 30 775 7 18 0.4 typ 20 40 2.0 785 10 25 0.7 0.3 max 35 70 2.5 795 12 32 1.0 0.1 Unit mA mA V nm deg. deg. mW/mA A mA deg. deg. % Differential efficiency Reverse current (DC) PIN photo current Optical axis accuracy Droop Oscillation mode * X direction Y direction -2.0 -3.0 4 +2.0 +3.0 10 Single horizontal mode // and are the angles where the optical intencity is a half of its max. value. ( half full angle ) 1 Semiconductor Laser LNC703PS PO -- IOP 15 200 Ta = 25C 12.5 I--V 100 Far field pattern 80 100 I (mA) 10.0 Relative radiant power PO Radiant power PO (mW) 60 7.5 0 Current 40 // 20 5.0 -100 2.5 0 0 20 40 60 -200 -4 -2 0 2 4 0 40 20 0 20 40 Operating current IOP (mA) Voltage V (V) Angle (deg.) Ith -- Ta 10 2 10 3 IOP -- Ta PO = 12mW 500 IP -- Ta VR (PIN) = 5V PO = 12mW IOP (mA) Ith (mA) IP (A) PIN photo current 10 30 50 70 10 2 10 - 10 400 Threshold current Operating current 10 300 200 1 - 10 10 30 50 70 100 -10 10 30 50 70 Ambient temperature Ta (C ) Ambient temperature Ta (C ) Ambient temperature Ta (C ) PO -- Ta 20 10 2 Id -- Ta VR (PIN) = 30V 10 Radiant power PO (mW) PIN dark current Id (nA) 10 30 50 70 15 1 10 10 -1 5 10 -2 0 - 10 10 -3 - 10 10 30 50 70 Ambient temperature Ta (C ) Ambient temperature Ta (C ) 2 |
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