Deep ultraviolet semiconductor light sources for sensing and security

Max Shatalov; Yuri Bilenko; Jinwei Yang; Remis Gaska

doi:10.1117/12.840193

17 September 2009 Deep ultraviolet semiconductor light sources for sensing and security

Max Shatalov, Yuri Bilenko, Jinwei Yang, Remis Gaska

Proceedings Volume 7484, Optically Based Biological and Chemical Detection for Defence V; 74840C (2009) https://doi.org/10.1117/12.840193
Event: SPIE Security + Defence, 2009, Berlin, Germany

Abstract

III-Nitride based deep ultraviolet (DUV) light emitting diodes (LEDs) rapidly penetrate into sensing market owing to several advantages over traditional UV sources (i.e. mercury, xenon and deuterium lamps). Small size, a wide choice of peak emission wavelengths, lower power consumption and reduced cost offer flexibility to system integrators. Short emission wavelength offer advantages for gas detection and optical sensing systems based on UV induced fluorescence. Large modulation bandwidth for these devices makes them attractive for frequency-domain spectroscopy. We will review present status of DUV LED technology and discuss recent advances in short wavelength emitters and high power LED lamps.

Citation Download Citation

Max Shatalov, Yuri Bilenko, Jinwei Yang, and Remis Gaska "Deep ultraviolet semiconductor light sources for sensing and security", Proc. SPIE 7484, Optically Based Biological and Chemical Detection for Defence V, 74840C (17 September 2009); https://doi.org/10.1117/12.840193

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