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SLD1133VS Folha de dados(PDF) 2 Page - Sony Corporation |
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SLD1133VS Folha de dados(HTML) 2 Page - Sony Corporation |
2 / 6 page – 2 – SLD1133VS Electrical and Optical Characteristics (Tc = 25°C) Tc: Case temperature Item Threshold current Operating current Operating voltage Wavelength Radiation angle Positional accuracy Differential efficiency Astigmatism Monitor current Ith Iop Vop λp θ⊥ θ// ∆X, ∆Y, ∆Z ∆φ// ∆φ⊥ ηD As Imon Po = 5mW Po = 5mW Po = 5mW Po = 5mW Po = 5mW Po = 5mW Po = 5mW Po = 5mW, VR = 5V 24 6 0.15 0 0.05 50 60 2.3 650 30 8 0.4 7 0.1 65 70 2.8 660 40 12 ±80 ±3 ±3 0.7 15 0.3 mA mA V nm degree degree µm degree degree mW/mA µm mA Symbol Conditions Min. Typ. Max. Unit Perpendicular Parallel Position Angle Handling Precautions (1) Eye protection against laser beams The optical output of laser diodes ranges from several mW to 4W. However the optical power density of the laser beam at the diode chip reaches 1MW/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. Safety goggles for protection from laser beam IR fluorescent plate Optical material Lens Laser diode Optical board Optical power output control device Temperature control device (2) Prevention of surge current and electrostatic discharge Laser diode is most sensitive to electrostatic discharge among semiconductors. When a large current is passed through the laser diode even for an extremely short time (in the order of nanosecond), the strong light emitted from the laser diode promotes deterioration and then laser diodes are destroyed. Therefore, note that the surge current should not flow the laser diode driving circuit from switches and others. Also, if the laser diode is handled carelessly, it may be destructed instantly because electrostatic discharge is easily applied by a human body. Be great careful about excess current and electrostatic discharge. |
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