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785nm, 120mW Fabry-Perot Laser Diode, up to 280mW Pulsed

  • 785nm Fabry Perot Laser Diode
  • 785nm Fabry Perot Laser Diode Performance
  • 785nm Fabry Perot Laser Diode Specifications
  • 785nm Fabry Perot Laser Diode Mechanical Drawing

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sku / item#: RLS/QLF073A
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Key Features
  • 785 nm Fabry-Perot Laser Diode
  • Up to 120 mW CW / 280 mW Pulsed
  • Common Anode Pin Configuration (QLF073A)
  • High Output Power and Slope Efficiency
  • Integrated Monitor Photodiode
  • Common Cathode Also Available (QLF073D); Inquire

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  • CW Optical Output Power: 120 mW
  • Pulsed Optical Output Power: 280 mW (< 50nsec, Duty < 50%)
  • Threshold Current: 35 mA
  • Operating Current: 135 mA (CW)
  • Operating Voltage: 2.3 V
  • Refer to Datasheet for Additional Specifications

Product Overview:

785nm, 120mW Fabry-Perot Laser Diode, up to 280mW Pulsed

The QLF073A is a 785 nm quantum well laser device designed for high output power application. The laser is capable of delivering up to 120mW CW output power and 280mW in pulsed operation.

These devices are offered in a TO-56 header packaged and include a monitor PD. They are hermetically sealed with a flat glass cap. Applications for these diode lasers include particle inspection and measuring instruments requiring 780nm.

The QLF073A is a common anode configuration package. Also available is the common cathode configuration (QLF073D); please inquire for details.

- 5.6mm TO-CAN package
- High output power and high slope efficiency
- Including monitor PD
- Two types of pin assignments

Important Notes on Operating Laser Diodes:

Electrical Operation: Operating a laser diode above the maximum ratings shown on the data sheet even for very short periods of time can damage the laser diode or reduce its lifetime. They should be electrically biased with a "laser diode driver" class current supply with low electrical noise and protection against voltage and current surges. Laser diodes are very sensitive to electrostatic discharge (ESD). Proper ESD precautions must be taken.

Mounting and Temperature Control: In order to maintain the lifetime of a laser diode, proper heat management is essential. Due to the design of the laser diode, heat is typically dissipated only through the base plate of the diode‘s package. A proper heat conducting interconnection between the diodes base plate and the heat sink must be maintained. Some devices require the use of a thermo-electric temperature controller (TEC controller) to remove the heat from the laser and stabilize the temperature.

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