Optical systems and devices employing spectrally flattened ampli

Details Optical systems and devices employing spectrally flattened ampli Optical systems and devices employing spectrally flattened ampli

1996-01-16

1997-09-16

Scott, Jr., Leon

Coherent light generators

Optical fiber laser

372102, 385 37, H01S 330

Patent

active

056688210

ABSTRACT:
In accordance with the invention a high power, broad bandwidth light source comprises at least one rare earth doped fiber coupled to a long period grating. When the rare earth doped fiber is pumped to operate as an amplified spontaneous emission source, the grating flattens and broadens the output spectrum. Using an Nd doped fiber, applicants have achieved an output power of 25 mW at a center wavelength of 1.08 .mu.m, a spectral width of 40 nm and a coherence length of 10 .mu.m. The source has a flat output spectrum with a maximum slope of 0.1 dB
m across the full spectral width, and it can be conveniently dropped into any fiber system requiring high power and a broad spectrum. Using an Er-doped fiber, applicants have achieved an output power of 7.3 mW at a center wavelength of 1.55 .mu.m and a spectral width of 38 nm. The source has a flat output spectrum with a maximum ripple of 1.7 dB across the full width. This source is compatible with the needs for a spectrum sliced source.

REFERENCES:
patent: 5271024 (1993-12-01), Huber
patent: 5450427 (1995-09-01), Fermann et al.
D. C. Hall et al. "High-Stability Er/u3/d+-Doped Superfluorescent Fiber Sources", Journal of Lightwave Technology, vol. 13, No. 7, pp. 1452-1460 (1995).
J. S. Lee, et al. "Bandwidth Optimization of a Spectrum-Sliced Fiber Amplifier Light Source Using An Angle-Tuned Fabry-Perot Filter and a Double-Stage Structure", IEEE Photonics Technology Letters, vol. 6, No. 10, pp. 1197-1199 (1994).

Affiliated with

Also associated with

Rating

Optical systems and devices employing spectrally flattened ampli does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical systems and devices employing spectrally flattened ampli, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical systems and devices employing spectrally flattened ampli will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-223726