Femtosecond holographic interferometry for studies of semiconductor ablation using vanadium dioxide film

Abstract

A recording medium based on the phenomenon of phase transition from semiconductor to metal is applied to holography in the femtosecond time domain. The results of holographic interferometry studies of semiconductor ablation are presented.

Femtosecond off-axis digital holography for monitoring dynamic surface deformation

“…However, to monitor the ultrafast time-resolved of the transient change is a challenging task, because there is no electronic device available for recording 0003-6935/10/132510-09$15.00/0 © 2010 Optical Society of America the ultrafast phenomena directly. Some techniques, such as spectral interferometry [12], the scattering imaging technique [13], time-resolved shadowgraphs [14][15][16], or conventional holography [17,18], have been used for investigation of the transient phenomena. Although spectral interferometry provides femtosecond time resolution together with high phase sensitivity, the lateral spatial resolution is obtained in one dimension only, and the frequency resolution of the spectrometer limits to only a few picoseconds.…”

Control of thermochromic spectrum in vanadium dioxide by amorphous silicon suboxide layer

“…From the viewpoint of applications, VO 2 has a potential as functional thermo-optic materials, and various practical devices such as smart windows, photonic crystals, tunable localized-plasmonic devices, optical switches, thermal sensors and rewritable holograms have been proposed [8][9][10][11][12][13][14][15][16][17]. In particular, thermochromic windows, which are a type of smart window, are an appropriate application of VO 2 to make the best use of near-infrared thermochromism occurring around room temperature, since they control autonomously solar irradiance into building by ambient temperature.…”

Optical characterization of vanadium–titanium oxide films

“…Other several photonic applications with VO 2 have been recently proposed such as photonic crystal with thermally-tunable photonic band gap [10,11], thermal-tunability of localized plasmonic absorption by combination of VO 2 with noble metals [12,13], expansion of hysteresis width in the phase transition induced by nano-particulation of VO 2 [14,15] and recordable media functioned by the phase transition [16]. These applications are based on that VO 2 possesses particular properties such as high refractive index and the phase transition around room temperature.…”