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21.
Bunkowski A Burmeister O Beyersdorf P Danzmann K Schnabel R Clausnitzer T Kley EB Tünnermann A 《Optics letters》2004,29(20):2342-2344
A concept for a low-loss all-reflective cavity coupler is experimentally demonstrated at a wavelength of 1064 nm. A 1450-nm period dielectric reflection grating with a diffraction efficiency of 0.58% in the - 1st order is used in the 2nd-order Littrow configuration as a coupler to form a cavity with a finesse of 400. The application of such reflective low-loss cavity couplers in future generations of gravitational-wave detectors and implementation issues are discussed. 相似文献
22.
Wise S Quetschke V Deshpande AJ Mueller G Reitze DH Tanner DB Whiting BF Chen Y Tünnermann A Kley E Clausnitzer T 《Physical review letters》2005,95(1):013901
Diffraction gratings affect the absolute phase of light in a way that is not obvious from the usual derivation of optical paths using the grating equation. For example, consider light which encounters first one and then the second of two parallel gratings. If one grating is moved parallel to its surface, the phase of the light diffracted from the grating pair is shifted by 2pi each time the grating is moved by one grating constant, even though the geometric path length is not altered by the motion. This additional phase shift must be included when incorporating diffraction gratings in interferometers. 相似文献
23.
A novel neutron high resolution double crystal arrangement has been used to measure changes in d-spacing, d-spread and mosaicity through the first order ferroelectric phase transition of DKDP. Coexistence of both para and ferroelectric phases was directly observed in the range Tc to Tc — 3 K. No hysteresis could be detected within the precision of the temperature measurement (10-3K). The origin of the overshoot effect has been elucidated. 相似文献
24.
In this Letter, we present an iridium wire grid polarizer with a large spectral working range from IR down to the UV spectral region. The required grating period of 100 nm for an application below a wavelength of 300 nm was realized using a spatial frequency doubling technique based on ultrafast electron beam writing. The optical performance of the polarizer at a wavelength of 300 nm is a transmittance of almost 60% and an extinction ratio of about 30 (15 dB). Furthermore, the oxidation resistance is discussed. 相似文献
25.
Brückner F Clausnitzer T Burmeister O Friedrich D Kley EB Danzmann K Tünnermann A Schnabel R 《Optics letters》2008,33(3):264-266
We propose a new mirror architecture, which is solely based upon structuring of the surface of a monolithic, possibly monocrystalline, bulk material. We found that a structure of T-shaped ridges of a subwavelength grating can theoretically provide 100% reflectivity. Since no material needs to be added to the mirror device, lowest mechanical loss can also be expected. Our approach might have compelling applications as a new light-matter interface. 相似文献
26.
27.
H K Kley 《Journal of chromatography. A》1969,42(4):563-565
28.
The reaction of O- and N-atoms produces NO(C2Π) molecules by inverse predissociation. At low total pressure NO(A2Σ+) molecules are exclusively formed from NO(C2Π) by
(4) The population of NO(A2Σ+) is determined by the radiative steady-state. By measuring the intensities of the NO(C2Π → X2Π)−δ−bands and the NO(A2Σ+ → X2Π)-γ−bands the oscillator strengths for the NO(C2Π → A2Σ+) transition is derived. The result is f = 0.61. 相似文献
NO(C2Π) → NO(A2Σ+)+hv
29.
30.
A. Beythien P. Bohrisch J. Deiter A. Röhrig A. Nestler H. Behrens P. Kley H. Kreis K. Farnsteiner K. Lendrich J. Zink und P. Buttenberg 《Fresenius' Journal of Analytical Chemistry》1908,47(4):259-263
Ohne Zusammenfassung 相似文献