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| HL6312/13G AlGaInP Laser Diodes Description The HL6312/13G are 0.63 m band AlGaInP laser diodes with a multi-quantum well (MQW) structure. Wavelength is equal to He-Ne Gas laser. They are suitable as light sources in bar code readers, laser levelers and various other types of optical equipment. Hermetic sealing of the package achieves high reliability. Features * * * * * Visible light output: p = 635 nm Typ (nearly equal to He-Ne Gas Laser) Optical output power: 5 mW CW Low Operating voltage: 2.7 V Max Single longitudinal mode Built-in photodiode for monitoring laser output 99 HL6312/13G Absolute Maximum Ratings (TC = 25C) Item Optical output power Pulse optical output power LD reverse voltage PD reverse voltage Operating temperature Storage temperature Note: Symbol PO PO (pulse) VR (LD) VR (PD) Topr Tstg Rated Value 5 6* 2 30 -10 to +50 -40 to +85 1 Unit mW mW V V C C 1. Pulse condition : Pulse width 1 s , duty 50% Optical and Electrical Characteristics (TC = 25C) Item Optical output power Threshold current Operating current Operating voltage Lasing wavelength Beam divergence (parallel) Beam divergence (perpendicular) Monitor current Symbol PO Ith Iop Vop p // Is Min 5 20 -- -- 625 5 25 0.2 Typ -- 45 55 -- 635 8 31 0.4 Max -- 70 85 2.7 640 11 37 0.8 Unit mW mA mA V nm deg. deg. mA PO = 5 mW PO = 5 mW PO = 5 mW PO = 5 mW PO = 5 mW PO = 5 mW, VR = 5 V Test Conditions Kink free 100 HL6312/13G Typical Characteristic Curves 101 HL6312/13G Typical Characteristic Curves (cont) 102 HL6312/13G Typical Characteristic Curves (cont) 103 HL6312/13G Polarization direction The polarization direction is TM mode. The polarization direction of 0.63 m LD's is different from that of 0.83/0.78/0.67 m LD's. The polarization direction of 0.63 m LD's is illustrated in the figure below. 104 |
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