权宜之计
发表于 2025-3-25 06:04:01
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情感
发表于 2025-3-25 09:27:50
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Epidural-Space
发表于 2025-3-25 13:41:02
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blight
发表于 2025-3-25 18:29:32
Efficient Narrowband Optical Parametric Oscillators of Beta-Barium-Borate (BBO) and Lithium-Triboraical and experimental investigations.. The OPO is considered as a source of powerful, broadly tunable coherent radiation. The development and the scientific application has been hampered, however, by the scarcity of nonlinear optical materials with suitable optical and mechanical properties.
Jejune
发表于 2025-3-25 20:53:24
Travelling Wave Parametric Generation of Highly Coherent Femtosecond Pulses Tunable from 750 to 30000 fs, 100 µJ pulse at 600 nm delivered by an amplified dye laser. Different crystals and combinations, all capable of achieving the same pulse duration of the pump, have been tested in the travelling wave configuration adopted. We achieved for the first time in this regime pulses with a time-bandwi
BIDE
发表于 2025-3-26 02:39:21
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angiography
发表于 2025-3-26 05:22:24
Quasi-Three-Level Lasers,e advantages of diode-pumping relative to lamp-pumping of solid-state lasers include higher overall efficiency, reduced thermal loading of the gain medium, higher reliability, and reduced size. In addition, there are other important differences between these two types of pump sources. For example, d
Expostulate
发表于 2025-3-26 10:18:02
Er,Tm,Ho:YLF Lasers in Astigmatically Compensated Resonators,n for different host crystals, both in pulsed and in CW regime, and for different operating temperatures.These sources are attractive for applications requiring atmospheric propagation because the emission wavelengths are eye-safe: thus they can be useful for optical communications, coherent laser r
Amorous
发表于 2025-3-26 16:33:10
Color Center Lasers: State of the Art and Recent Developments,6]. The wavelength range from 0,8 µm up to almost 4 µm can, in principle, be covered using different types of color centers in various alkali halides. This is shown in Fig. 1 where the emission bands are displayed. Unfortunately, the performance of some of the laser systems (e.g. F.., (F..)*) is not
有恶臭
发表于 2025-3-26 18:31:33
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