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1550nm Laser Diode, > 50mW Power, < 200 kHz Linewidth, Grating Stabilized Source

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Key Features
  • Pulsed ultra-narrow linewidth 1550nm laser diode
  • < 200 kHz Linewidth
  • Based on an external cavity laser with built-in fiber Bragg grating
  • Pulsed single mode optical output of >50mW
  • Minimum SMSR of 45dB
  • Internal thermoelectric cooler and thermistor
  • RoHS Compliant

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MODEL DENLD003
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SPECIFICATIONS
  • Threshold current Ith CW: 30 mA
  • Optical output power (pulse width 10µs, d.c. 1%): 50mW
  • Operating current Iop for 50mW (pulse width 10µs, d.c. 1%): < 375 mA
  • Operation voltage Vop: 2.8 V
  • Peak wavelength λp (typ): 1550.00
  • Wavelength tolerance: +/- 2nm
  • Side mode suppression ratio (typ): 45 dB
  • Linewidth ∆λ (10mW, CW): 200 kHz
  • Strained InGaAsP/InP MQW gain chip
  • Built-in fiber Bragg grating
  • Internal thermoelectric cooler and thermistor
  • RoHS Compliant
APPLICATIONS
  • OTDR
  • Optical measuring instrumentation
  • Optical gas and chemical sensor
PACKAGING
  • 14-pin BTF package with SMF-28 pigtail

Product Overview:

These Denselight pulsed ultra-narrow linewidth laser diodes are offered in a butterfly package with SMF pigtail emitting at 1550nm. Key applications for these devices include use in OTDR's, use in optical measuring instruments as well as laser based gas and chemical sensing. This laser is based on an external cavity laser with built-in fiber Bragg grating, offering very stable performance of lasing wavelength, very narrow spectral linewidth and excellent SMSR.

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