"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

I agree, do not show this message again.

OPTICAL PROPERTIES OF POLYMER FILMS FOR NEAR UV RECORDING

K. Beev1,* , K. Temelkov2, N. Vuchkov3, Tz. Petrova1, V. Dragostinova1, R. Stoycheva-Topalova4, S. Sainov1, N. Sabotinov2

Affiliation

  1. Central Laboratory of Optical Storage and Processing of Information, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 101, 1113, Sofia, Bulgaria
  2. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, 1784, Sofia, Bulgaria
  3. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, 1784, Sofia, Bulgaria
  4. Central Laboratory of Photoprocesses, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bl. 109, 1113, Sofia, Bulgaria

Abstract

Near UV spectral region is very attractive for different application from microbiology and genetic engineering to optical storage and high-resolution laser lithography. In this sense, the optical investigations in the near UV region are very promising. The most important problems to be solved are the coherent light source and proper recording medium choice. In this investigation we report the results of optical recording in thin polymer films using UV Cu+ Ne-CuBr acting at the wavelength 248.6, 252.9, 260 and 270.3nm and an excitation pulse repetition frequency of 25kHz. Recording polymer films containing PMMA and trans stilbene on quartz substrates are created. 1,2-dichlorethan is used as solvent. The film thickness is in the region of 3-10mm. The stilbene concentration relative to PMMA in the solution is varied from 0.125 to 3wt%. The transmission spectra of the obtained films in the region 200-600nm are presented as well as refractive index (RI) measurements in the near UV. The possible application of this holographic recording is discussed..

Keywords

Azo-polymer, Optical recording.

Submitted at: May 19, 2005
Accepted at: May 26, 2005

Citation

K. Beev, K. Temelkov, N. Vuchkov, Tz. Petrova, V. Dragostinova, R. Stoycheva-Topalova, S. Sainov, N. Sabotinov, OPTICAL PROPERTIES OF POLYMER FILMS FOR NEAR UV RECORDING, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 3, pp. 1315-1318 (2005)