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pro vyhledávání: '"Hristiyan Y. Stoyanov"'
Autor:
I. L. Stefanov, Georgi B. Hadjichristov, Stoyan C. Russev, Gichka G. Tsutsumanova, Hristiyan Y. Stoyanov
Publikováno v:
Vacuum. 86:1822-1827
The material in the ion-modified surface layer formed in polymethylmethacrylate (PMMA) is optically characterized by calculations based on multilayer model and optical reflectance data. PMMA was subjected to a low energy (50 keV) silicon ion implanta
Autor:
Hristiyan Y. Stoyanov
Publikováno v:
Optics & Laser Technology. 39:885-891
In this paper we describe a new simple interferometric method for measurement of the thickness of a very thin quivette filled with absorbing liquid. The method is based on the interferometric restoration and analysis of both p- and s-components of th
Autor:
Hristiyan Y. Stoyanov
Publikováno v:
Optics & Laser Technology. 35:409-414
The proximity sensing based on the attenuated total internal reflection (ATIR) is a technique that allows us to control the separation between two planes—the attenuating media surface and dielectric boundary, in the neighborhood of which the total
Autor:
Hristiyan Y. Stoyanov
Publikováno v:
Optics & Laser Technology. 32:147-152
A simple interferometric phasemeter which can be used as a proximity sensor is described. It is based on the measurement of the phase shift between the p- and s- components of a field caused by the processes of attenuation in total internal reflectio
Autor:
Georgi B. Hadjichristov, Stoyan C. Russev, Gichka G. Tsutsumanova, I. L. Stefanov, Hristiyan Y. Stoyanov, Elitza Petrova
Publikováno v:
SPIE Proceedings.
The depth profile of the complex refractive index of silicon ion (Si + ) implanted polymethylmethacrylate (PMMA) is studied, in particular PMMA implanted with Si + ions accelerated to a relatively low energy of 50 keV and at a fluence of 3.2 × 10 15
Autor:
Hristiyan Y. Stoyanov
Publikováno v:
SPIE Proceedings.
In this paper we describe a simple interferometric phasemeter which can be used as a linear sensor. This method is based on the interferometric restoration of both p - and s -components of the resultant field. The phase shift between them as a functi