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L7910

Hamamatsu Photonic Systems
Part Number L7910
Manufacturer Hamamatsu Photonic Systems
Description 755nm CW Laser Diode
Published Jul 13, 2009
Detailed Description www.DataSheet4U.com CW LASER DIODES L7910 PRELIMINARY DATA Peak Emission Wavelength 755 nm, Radiant Flux 4 mW (CW) FEA...
Datasheet PDF File L7910 PDF File

L7910
L7910

Overview
www.
DataSheet4U.
com CW LASER DIODES L7910 PRELIMINARY DATA Peak Emission Wavelength 755 nm, Radiant Flux 4 mW (CW) FEATURES Radiant flux (CW) : 4 mW Peak Emission Wavelength : 755 nm ± 5 nm Emitting Area Size : 5 µm x 1 µm High Stability Long life Compact APPLICATIONS Printing Measuring Instrument Medical Instrument ABSOLUTE MAXIMUM RATINGS (Top(c) = 38 °C) Parameter Radiant Flux Reverse Voltage (LD) Reverse Voltage (PD) Operating Temperature Storage Temperature Symbol Φe Vrl Vrd Top(c) Tstg Value 6 2 20 −10 to +70 −20 to +80 Unit mW V V °C °C CHARACTERISTICS (Top(c) = 38 °C) Parameter Operating Current Peak Emission Wavelength Forward Voltage Horizontal Beam Spread Angle Vertical Lasing Threshold Current Monitor PD Current PD Cutoff Frequency Symbol Iop λp Vf θ// θ⊥ Ith Im fc Conditions Φe = 4 mW Φe = 4 mW FWHM − Φe = 4 mW , Vrd = 15 V Vrd = 15 V (-3dB) Value Min.
Typ.
Max.
Unit mA nm V degree degree mA mA MHz 30 750 1.
6 5 31 15 0.
5 30 57 755 1.
9 7 36 35 1.
5 50 76 760 2.
2 10 41 50 3.
5 - Information furnished by HAMAMATSU is believed to be reliable.
However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice.
No patent rights are granted to any of the circuits described herein.
©2007 Hamamatsu Photonics K.
K.
CW LASER DIODES L7910 www.
DataSheet4U.
com Figure 1: Radiant Flux vs.
Operating Current (Typ.
) 8 7 ( Top(c) = 38 °C ) Figure 2: Radiant Flux vs.
Monitor Current (Typ.
) 3.
0 2.
5 ( Top(c) = 38 °C ) Radiant Flux Φe (W) 6 5 4 3 2 1 0 Monitor Current I m (mA) 2.
0 1.
5 1.
0 0.
5 0.
0 0 10 20 30 40 50 60 70 80 0 1 Operating Current I op (mA) Radiant Flux Φe (mW) 2 3 4 5 6 7 Figure 3-1: Directivity (Parallel Direction) (*Example from Measurement) 100 (Φe=4 mW, Top(c) = 38 °C) Parallel Direction Figure 3-2: Directivity (Vertical Direction) (*Example from Measurement) 100 (Φe=4 mW, Top(c) = 38 °C) Vertical Direction Relative Radiant Flux (%) Relative Radiant Flux (%) ...


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