OCT Swept Laser with Cavity Length Compensation
作者： Bartley C. Johnson , Dale C. Flanders
DOI:
关键词: Optical amplifier 、 Distributed feedback laser 、 Optics 、 Materials science 、 Passband 、 Laser 、 Grating 、 Longitudinal mode 、 Optical coherence tomography 、 Optical cavity
摘要: An optical coherence tomography system utilizes an swept laser that has cavity length compensator changes of the for different frequencies to increase lower frequencies. Specifically, a spectral separation between longitudinal modes is shortened or alternatively lengthened as passband tuning element sweeps through scanband signal. In some examples, implemented two gratings. others, it chirped grating device.
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