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1480nm Laser Diode, Fiber Bragg Grating Stabilized for Raman Amplification

  • 1480nm laser diode
  • 1480nm laser diode mechanical dimensions
  • 1480nm laser diode pin configuration

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sku / item#: RLS/1480NM-500MW
ships: 3 weeks

Key Features
  • Fiber Bragg Grating Stabilized, up to 500mW Output Power
  • Customer Specified Wavelength from 1420nm to 1510nm
  • Highest Reliability Rating: Telcordia GR-468-CORE Qualified
  • Designed fro RAMAN AMPLIFICATION Applications
  • Offered by 3SP Technologies, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeSource.com, part of the
    Laser Lab Source Marketplace Group

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  • Customer Specified Wavelength: 1420nm ~ 1510nm (+/- 0.5nm)
  • CW Output Power Max: 500mW
  • Spectral Width: < 2nm
  • Wavelength Tuning vs. Temperature: ∆λp / ∆T (typical): 0.01nm / °C
  • Fiber: PM Fiber, No Connector
  • Side Mode Suppression Ratio: > 20 dB
  • Operating Current: < 1670mA (@P = 400mW)
  • Operating Voltage: < 2.2 Volts
  • Threshold Current: < 220mA
  • TEC Current: < 1.65 Amps
  • TEC Voltage: < 2.6 Volts

Product Overview:

The 1948RHB laser diode is a new generation of ultra-low power consumption 1480nm (1420 ~ 1510) fiber coupled pump modules. They are designed for Raman amplification applications. They are powered by an in-house chip technology leading to outstanding level of performance, power consumption and reliability. The low profile 14-pin butterfly modules are available with an operating power of 500mW over a wavelength range from 1420nm to 1510nm and an extended case temperature range from -5 to 70°C. They incorporate a thermoelectric cooler (TEC), a precision NTC. The wavelength is “locked” utilizing a Fiber Bragg Grating (FBG) located in a single mode Polarization maintaining Fiber (PMF). The module meets TelcordiaTM GR-468-Core requirements for hermetically sealed laser diodes.

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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