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1550nm Laser Diode, 10mW, Grating Stabilized, < 200 kHz Ultra-Narrow Linewidth

Request Price   Ships: 3 weeks | Model DENLD004

Key Features
  • < 200 kHz Spectral Line Width CW Laser Diode for Sensing Applications
  • Based on an External Cavity Laser Design with Built-In Bragg Grating
  • 1 Meter Single Mode SMF-28 Pigtail with FC/APC connector

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MODEL DENLD004
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SPECIFICATIONS (typical)
  • Center Wavelength: 1550nm (+/- 2nm)
  • Linewidth ∆λ CW: < 200 kHz
  • CW Single Mode Output Power: >10mW
  • Threshold Current (Ith): 20 mA
  • Operating Current (Iop): 100 mW
  • Operating Voltage (Vop): 1.5 V
  • Side Mode Suppression Ratio (SMSR): > 45 dB
  • Thermistor resistance Rtherm @ 25ºC: 10 kΩ
  • Slope efficiency (η): 0.12 mW/mA
  • Integrated TEC Cooler Voltage: < 3.0 Volts
  • Integrated TEC Cooler Current: < 1.8 Amps
  • Internal Thermistor Resistance: 25ºC ~ 10 kΩ
APPLICATIONS
  • Optical gas and chemical sensor
  • Optical measuring instrumentation
PACKAGING
  • 14-pin BTF package with SMF-28 pigtail
  • FC/APC connector (others available on request)
  • 1 meter pigtail

Product Overview:

These cooled narrow line width 1550nm laser diodes are offered in a butterfly package with a single mode fiber pigtail and and FC/APC connector. These devices are based on an ECL design with a built-in fiber Bragg grating. They offer up to 10mW of very stable CW performance and a very narrow spectral line width of < 200 kHz. They are based on an InGaAsP/InP MQW gain chip coupled with built-in fiber Bragg grating design. They are specified with a minimum side mode suppression ratio of 45 dB and are offered with an internal TEC cooler and a 10Kohm thermistor. They are frequently used in chemical sensing applications and emerging LiDAR applications. They are also designed for telecom 155 / 622Mbps operation as well as OTDR instruments. To achieve the narrow line width performance, they should be used with a low noise density control circuit. For more information, please contact us.

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