Technical Name Novel Whitelight Pulsed Fiber Laser and Applications
Project Operator National Tsing Hua University
Project Host 潘犀靈
1.Technology based on noise-like pulsed (NLP) fiber laser and supercontinuum generation (multiple patents).
2.Tunable and can generate watt level average power with bandwidths of 10-100 nm. The output energy of the NLP laser can be scaled to tens of microjoules by multi-stage amplification.
3.Excited by NLPs, a 10-m length of Ge-doped single-mode fiber can generate a supercontinuum with a flat spectrum and FWHM of 1030–1470 nm.
4.Exciting a length of photonic crystal fiber, a supercontinuum covering the visible and near infrared band (440-2200nm) can be generated.
5.Using this source for optical coherence tomography (OCT), sectional resolution is as high as 2.3 micron.
6.Multi-frame averaged OCT images obtained with this source exhibit much better image quality than competitive sources.
7.Potential applications in white-light interferometry, lidar, LIBS(Laser Induced Breakdown Spectroscopy), fiber sensing, optical network testing, machining and material processing.
Scientific Breakthrough
Fiber-laser-generated medium and high-energy noise-like pulses (NLPs) that enable super broadband white light generation across the visible and near IR band (440-2200 nm) through supercontinuum (SC) generation in optical fibers. NLP-excited SC source has enabled optical coherence tomography with superior imaging quality. Multiple patents were granted.
Industrial Applicability
This technology can find users and market in biomedicine, precision instrumentation, optical fiber communication, sensing, material processing and machining.
Keyword noise-like pulse fiber laser white light laser optical coherence tomography white light interferometry lidar laser-induced breakdown spectroscopy {LIBS} fiber sensing optical network testing laser material processing and machining
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