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High-power wavelength-swept laser in Littman telescope-less polygon filter and dual-amplifier configuration for multichannel optical coherence tomography
- Source :
- Optics letters. 34(18)
- Publication Year :
- 2009
-
Abstract
- We report a high-power wavelength-swept laser source for multichannel optical coherence tomography (OCT) imaging. Wavelength tuning is performed by a compact telescope-less polygon-based filter in Littman arrangement. High output power is achieved by incorporating two serial semiconductor optical amplifiers in the laser cavity in Fourier domain mode-locked configuration. The measured wavelength tuning range of the laser is 111 nm centered at 1329 nm, coherence length of 5.5 mm, and total average output power of 131 mW at 43 kHz sweeping rate. Multichannel simultaneous OCT imaging at an equivalent A-scan rate of 258 kHz is demonstrated.
- Subjects :
- Optics and Photonics
Materials science
Time Factors
02 engineering and technology
01 natural sciences
law.invention
010309 optics
Telescope
Motion
Optics
Optical coherence tomography
law
0103 physical sciences
medicine
Humans
Optical amplifier
medicine.diagnostic_test
Amplifiers, Electronic
Fourier Analysis
business.industry
Amplifier
Lasers
Equipment Design
021001 nanoscience & nanotechnology
Laser
Atomic and Molecular Physics, and Optics
Coherence length
Wavelength
Nails
Optical cavity
0210 nano-technology
business
Tomography, Optical Coherence
Subjects
Details
- ISSN :
- 15394794
- Volume :
- 34
- Issue :
- 18
- Database :
- OpenAIRE
- Journal :
- Optics letters
- Accession number :
- edsair.doi.dedup.....ed7559b7d07cc345fb7947023bad18d8