نتایج جستجو برای: reflecting mirror

تعداد نتایج: 69005  

1998
M. Blaauboer A. Lodder

We theoretically study reflection of light by a phase-conjugating mirror preceded by a partially reflecting normal mirror. The presence of a suitably chosen normal mirror in front of the phase conjugator is found to greatly enhance the total phase-conjugate reflected power, even up to an order of magnitude. Required conditions are that the phase-conjugating mirror itself amplifies upon reflecti...

2009
F. Bielsa A. Dupays M. Fouché R. Battesti C. Robilliard C. Rizzo

In this paper we present a review of the existing data on interferential mirror birefringence. We also report new measurements of two sets of mirrors that confirm that mirror phase retardation per reflection decreases when mirror reflectivity increases. We finally developed a computational code to calculate the expected phase retardation per reflection as a function of the total number of layer...

Journal: :Chemical communications 2010
Haimin Zhang Yanhe Han Xiaolu Liu Porun Liu Hua Yu Shanqing Zhang Xiangdong Yao Huijun Zhao

Anatase TiO(2) microspheres with exposed mirror-like plane {001} facets were successfully synthesized via a facile hydrothermal process. The photoanode composed of TiO(2) microsphere top layer shows an improved DSSCs efficiency owing to the superior light scattering effect of microspheres and excellent light reflecting ability of the mirror-like plane {001} facets.

2008
NISTOR NICOLAEVICI

We consider the vacuum fluctuations contribution to the mass of a mirror in an exactly soluble partially reflecting moving mirror model. Partial reflectivity is accounted for by a repulsive delta-type potential localized along the mirror’s trajectory. The mirror’s mass is explicitly obtained as an integral functional of the mirror’s past trajectory.

Journal: :IEEE open journal of the Communications Society 2021

We propose two types of intelligent reflecting systems based on programmable metasurfaces and mirrors to focus the incident optical power towards a visible light communication receiver. derive required phase gradients for metasurface array reflector orientations each mirror in achieve focusing. Based which, we irradiance expressions detector plane characterize their performance terms aiming foc...

2001
N. Obadia R. Parentani

The Davies-Fulling (DF) model describes the scattering of a massless field by a non-inertial mirror in two dimensions. In this paper, we generalize this model in two different ways. First, we consider partially reflecting mirrors. We show that the Bogoliubov coefficients relating inertial modes can be expressed in terms of the frequency dependent reflection factor which is specified in the rest...

2007
Stefan Goßler Jeff Cumpston Kirk McKenzie Conor M. Mow-Lowry Malcolm B. Gray David E. McClelland

Thermal noise in mirror optical coatings may not only limit the sensitivity of future gravitational-wave detectors in their most sensitive frequency band but is also a major impediment for experiments that aim to reach the standard quantum limit or cool mechanical systems to their quantum ground state. We present the design and experimental characterization of a highly reflecting mirror without...

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