The second fiber is then cleaved to a length which is a fraction of the second beat length.
In addition or merely, an arm waveguide length may be designed to be an integral multiple of a beat length obtained by dividing a wavelength of a using light by a waveguide birefringent index.
The second fiber is cleaved to a length which is a fraction of the beat length and a third fiber is spliced to the second fiber.
Optical fibres - Part 1-60: Measurement methods and test procedures - Beat length
The waveguides are thus coupled with a beat length that may be five or more orders of magnitude shorter than it would be without the periodic perturbations.
A channel overlay waveguide (60) is employed for amplification of optical energy evanescently coupled to the overlay waveguide from the fiber optic (30).
Amplification of optical energy in the channel overlay waveguide can be established within a single beat length of evanescent removal to evanescent return of the optical energy to the side-polished fiber optic.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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