スクリーンショット 2016-02-10 19.06.10

785 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
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=25°C 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/ IP mA 5.0
Photodiode Reverse Voltage  1/ VR V 20.0
Photodiode Dark Current, VR=10V, LD IF=0, 1/ ID nA 50
TEC Current 1/ ITEC A -2.0 2.0
TEC Voltage 1/ VTEC V -6.0 6.0
Thermistor Current 1/ ITHRM mA 1.0
Thermistor Voltage 1/ VTHRM V 10
External Back Reflection dB -14
Lead Soldering Temperature, 10 sec. Max. °C 260

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 @ 150mA λc nm 783 785 787
Optical Output Power @ 150mA Po mW See Power Options Call-out
Slope Efficiency, 1/ ηd W/A 0.3 0.36
Slope Efficiency ηd W/A 0.6 0.75
Threshold Current Ith mA 50 70
Laser Series Resistance RS Ω 2.0 2.5
Laser Forward Voltage @ 150mA VF V 2.0 2.5
Thermistor Resistance @ 25°C, 2/ RT 10
Photodiode Dark Current, VR=10V, LD IF=0, 2/ ID nA 50
Laser Line Width @ 150mA ∆v MHz 3 10
Polarization Extinction Ratio, 1/ PER dB -16 -19
Beam Divergence @ FWHM θװ X θ º 6 X 32 8 X 34
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)

40 / 80 / 120 / 180