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Home Azerbaijan Technologies Scintillation Detectors

Scintillation Detectors

Description

Surface-barrier structures were created by vacuum deposition of thin gold films on the freshly cleaved surface of InSe. Ohmic contacts were deposited on the opposite surface of the crystal by a silver paste. The postbaking of such contacts in the course of 10 minutes led to reduction of transient resistance.

Innovative Aspect and Main Advantages

The suggested detector - avalanche photodiodes of new generation allows recording the light of minute intensity. They differ from their analogues according to their small sizes (the size of the working elements area of 9mm2), high sensitivity (106-107 V/Vt) and operation speed. The spectral region of sensitivity is 200-900 nm, working voltage is low-5-10V, threshold of sensitivity is at the level of single photons. The method of obtaining differs from the analogue according to its simplicity and moderate price.

Areas of Application

  • Medicine: physiotherapy, blood autotransfusion, human solarization;
  • Agriculture: greenhouse and hothouse agrotechnology;
  • Biotechnology: synthesis of D2, D3 vitamins;
  • Astronomy: data accessing about physical processes in nonterrestrial objects capable to irradiate ultraviolet radiation;
  • Material science: determination of substance composition and electron structure of elements;
  • Ecology: the problem of ozone hole, detection of environment pollution;
  • Nuclear physics and power engineering: recording nuclear particles with the help of scintillators; Astronavigation and ultraviolet location;
  • Disinfection of water, air, clothes, instruments and food products during long storage and epidemics;
  • Defectoscopy, criminalities, study of art-luminescent analysis due to the ability of luminescent of a series of substances under the effect of UVR.


Fig. 1 X- and γ- ray scintillation detector.

Stage of Development

It was developed and tested in the Lab of “Radiation physics of semiconductors” of the Institute of radiation Problems ANAS. Pilot prototype is available.

Contact Details

Institute of Radiation Problems
Contact person: Dr. Matanat Mehrabova
Address: 9 F.Aghayev St. AZ1143 Baku, Azerbaijan
Tel: (+994 12) 438 3224, (+994 50) 731 8177
Fax: (+994 12) 432 5187
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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