E-mail address:

Experimental equipment

1. Terahertz spectrometer based on backward-wave oscillators.

Operational frequency range — 0.03 ТHz – 1.45 ТHz

Operational beam power — 1mW – 100 mW

Measurable values — spectra of:

Complex transmission coefficient — Tr* 

Reflection coefficient— R

Refractive index — n* = n + ik

Dielectric permittivity — epsilon* = epsilon1+i epsilon2

Conductivity — s* = s1 + is2

Magnetic susceptibility — mu* = mu1 + i mu2

Dielectric loss angle — tg delta

Absorption index — a

Frequency resolution:

Relative — Delta f/f ~ 10^-4 – 10^-5

Average absolute — 0.001 cm^-1

Dynamic range — 40 dB – 60 dB

Signal-noise ratio — 10^4 – 10^6

Degree of polarization of working radiation— 99.99%

Time to record a 100 point spectrum:

Amplitude range T(f) or R(f) — 10 s – 20 s

Phase spectrum — 20с s– 40 s

 

A description of the BWO spectrometer can be found in: 

B.Gorshunov, A.Volkov, I.Spektor, A.Prokhorov, A.Mukhin, M.Dressel, S.Uchida, A.Loidl. Terahertz BWO-spectroscopy. Int. J. of Infrared and Millimeter Waves, vol.26, N9, p.1217-1240 (2005)

 

2. Time-domain Terahertz spectrometer – company MenloSystems

Operating frequency range 0.3 – 3.5 THz

System – ТHz imaging.

 

3.Infrared vacuum Fourier-spectrometer “Vertex 80v” – company Bruker.

Operating frequency range 10c m-1 – 16000 cm-1

Infrared microscope HYPERION2000 with frequency range 500cm-1 – 16000cm-1

Linkam stagewith temperature range 196 – 6000С

If you noticed a typo select it and press Ctrl+Enter.

MIPT in social networks

soc-fb soc-tw soc-li soc-li
Яндекс.Метрика