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RAMAN AMPLIFIERS

Photonics Spectra
Jan 2003
IPG Photonics CorporationRequest Info
 
The RAR series discrete Raman amplifiers introduced by IPG Photonics Corp. provide high-gain and low-noise amplification across the standard optical fiber low-loss region from 1260 to 1700 nm. The multiple-wavelength pumped devices offer 50 to 100 nm of optical bandwidth for DWDM amplification. Single-wavelength pumping options for narrower bandwidths are available. The RAR amplifiers use telecom-grade Yb- or Nd-doped fiber lasers as the pump source for the Raman gain. The instruments can be used in next-generation long-haul and product development applications, and the company says that they offer advantages over erbium-doped fiber amplifiers and direct diode-pumped Raman amplifiers.


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GLOSSARY
optical fiber
A thin filament of drawn or extruded glass or plastic having a central core and a cladding of lower index material to promote total internal reflection (TIR). It may be used singly to transmit pulsed optical signals (communications fiber) or in bundles to transmit light or images.  
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