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Study of the influence of angular aberrations of the optical-electronic coordinator lens on the quality of measuring the mutual angular misalignment of the laser beams
Engineering Education # 11, November 2012
DOI: 10.7463/1112.0479575
This article considers a self-alignment system (SAS) designed to measure the mutual angular position of laser beams while designing, operating and adjusting high-precision laser optical-electronic systems (OES). A method of measuring angular misalignment of optical axes of receiving and transmitting system channels with the use of various algorithms of digital signal processing is proposed. Measurement error is analyzed; technique for reducing this error by means of optimization of lens optical system, which is used to perform those measurements, is proposed
A dynamic interferometer for control of profiles of optical surfaces of nanometer-level
# 07, July 2012
The analysis of existing methods of quality control of optical surfaces and also proposed solutions to create a schematic of the dynamic interferometer, designed to control the quality of the surfaces of optical parts nanometer level. The proposed method allows to construct functional scheme based on electro-optic modulator.
Surface roughness measurement methods analysis and experimental study of diffusive scattering reflectometry-based method
# 06, June 2012
A review of the most promising methods for measuring the roughness of a nanometer level showed that the most promising method for measuring the standard deviation of the optical surface roughness is a method of dynamic interferometry. An experimental study of the effect of diffuse scattering on the intensity of radiation reflected in the specular direction, for surfaces with parameter Rq, equal to 5 nm, 10 nm and 50 nm. Found that diffuse scattering leads to intensity fluctuations and the contribution of this scattering in the specular reflected radiation is 0.25% for Rq = 10 nm.active media
System of measuring angular mismatch axis of working and adjusting laser beams on basis of diffraction grating
Engineering Education # 08, August 2011
In article consideration system of measuring mutual angular position axis of power laser beam and beam of adjusting laser on basis of diffraction grating for the challenge radiation of working channel and for opto – electronic system coordinate measuring. To introduced method of calculation diffraction grating to provided given diffraction efficiency in first diffraction maximum. Considered system challenge of two diffraction grating. To trace simulation introduced optoelectronic system in optical CAD «Zemax», showed accounting errors of installation diffraction grating and bandwidth of laser radiation on accuracy angular position of axis laser beam. To exhibited possibility registration of power laser beam with factor of bend  KОИ = 10-6…-10
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