スクリーンショット 2016-02-10 19.06.10

770 nm laser diode

Technology

  • DBR Single-Frequency Laser Chip
  • AlGaAs QW Active Layer
  • Epi designed for high reliability

Features

  • Available in several package styles
  • Pulsed operation for spectral stability at short pulse lengths
  • High power for CW applications
  • High Slope Efficiency
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Absolute Maximum Rating

Parameter Symbol Unit Min Max
Storage Temperature TSTG °C 0 80
Operating  Temperature TOP °C 5.0 70
CW Laser Forward Current, T=Top IF mA 150**
Pulsed Laser Forward Current, T=25°C, IF A 0.3
PW=300 ns, DC=10%
Laser Reverse Voltage VR V 0.0
Photodiode Forward Current 1/2/ IP mA 5.0
Photodiode Reverse Voltage  1/2/ VR V 20.0
Photodiode Dark Current, VR=10V, LD IF=0, 1/2/ ID nA 50
TEC Current 1/2/ ITEC A -2.0 2.0
TEC Voltage 1/2/ VTEC V -6.0 6.0
Thermistor Current 1/2/ ITHRM mA 1.0
Thermistor Voltage 1/2/ VTHRM V 10
External Back Reflection dB -14
Lead Soldering Temperature, 10 sec. Max.1/2/ °C 260
Fiber Pull Force 1/ N 5.0
Fiber Bend Radius 1/ mm 35
1/ Butterfly package , 2/ TO8 package**Do not exceed drive current or operating power of supplied LIV

CW Characteristics at TC = 25°C unless otherwise specified

Parameter Symbol Unit Min Typ Max
Center Wavelength λc nm 768 770 772
Optical Output Power @ LIV Currrent Po mW See Power Options Call-out
Slope Efficiency, 1/ ηd W/A 0.25 0.36
Slope Efficiency ηd W/A 0.60 0.75
Threshold Current Ith mA 50 70
Laser Series Resistance RS Ω 2.0 2.5
Laser Forward Voltage VF V 2.0 2.5
Thermistor Resistance @ 25°C, 1/2/ RT 10
Photodiode Dark Current, VR=10V, LD IF=0, 1/2/ ID nA 50
Laser Line Width ∆v MHz 0.7 1.0
Polarization Extinction Ratio, 1/ PER dB -16 -19
Beam Divergence @ FWHM θװ X θ º 6 X 26 8 X 28
Side Mode Suppression Ratio SMSR dB -30
Laser Polarization TE
Mode Structure Fundamental Mode

1/ Butterfly package , 2/ TO-8 package

Handling Precautions

These devices are sensitive to ESD. When handling the module, grounded work area and wrist strap must be used. Always store in an antistatic container with all leads shorted together.

Package Type

CS / CM / T8 /BF

Minimum Power (mW)

20 / 40 / 80

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