友好
发表于 2025-3-23 13:32:26
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Tidious
发表于 2025-3-23 17:15:57
Resonators with Variable Internal Lensesaction: . where .. is the index of refraction at the center. A bundle of parallel rays incident on the laser rod is focused by the thermal lens for γ > 0 since the optical path length . inside the medium is longer for rays being closer to the center of the rod.
TSH582
发表于 2025-3-23 19:04:12
In addition to describing the fundamental theories of resonators such as geometrical optics, diffraction, and polarisation the characteristics of all important resonator schemes and their calculation are presented. Experimental examples, practical problems and a collection of measurement techniques
眉毛
发表于 2025-3-23 22:53:03
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娘娘腔
发表于 2025-3-24 03:10:05
https://doi.org/10.1007/978-1-4471-3595-1Polarisation; diffraction; electromagnetic field; interferometer; laser; measurement techniques; optics; po
平躺
发表于 2025-3-24 09:10:42
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Volatile-Oils
发表于 2025-3-24 14:02:12
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Rejuvenate
发表于 2025-3-24 17:40:59
IntroductionLaser radiation exhibits several properties which are not provided by conventional light sources such as incandescent or fluorescent lamps:
CT-angiography
发表于 2025-3-24 22:57:29
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BUMP
发表于 2025-3-25 03:04:36
Wave Opticsial amplitude distribution of the electromagnetic wave into account. Geometrical optics can be applied as long as the wavelength is small compared to the lateral extent of the wave. This restriction, as already discussed, is equivalent to a large Fresnel number .. The exact description of the propag