THz Spectroscopy

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THz spectroscopeMIRRORCLE-6FIR

MIRRORCLE is a series of tabletop synchrotrons capable of generating high brilliance FIR. It is possible to carry out FIR analysis in the THz range with this source in a conventional laboratory environment.


6FIR Energy range is 10cm-1～100cm-1(1mm～100μm) , called THz.

FIR analysis using MIRRORCLE can be conducted over a wide range and its continuous spectrum over black body radiation is unlike any other THz source.

6FIR Energy range is 10cm-1～100cm-1(1mm～100μm) , called THz.
  Fig. 1Machine schematic
 
  Fig. 2 FIR spectrum comparison with ceramic heater.

Ref.　　 Md. Monirul Haque, Hironari Yamada, Ahsa Moon and Mami Yamada, "Performance of the far-IR beamline of the 6 MeV tabletop 　synchrotron light source ", J. Synchrotron Rad. (2009). 16

■　Overview

The high brilliance FIR generated by MIRRORCLE (higher than SR from SPring-8!) allows for the following applications.

A) We can carry out rapid analysis, phase-locked or time-resolved analysis. In addition, FIR with a few tens of millimeter spread brings the positional information of sample and IR spectrum without detector scan.
The following analysis can be performed in the FIR frequency region.

  1. Fluctuation of water structure
  2. Lattice vibration of ice
  3. Structure of glass material
  4. Large scale fluctuation of protein
This capability further resolves research in molecular family dynamics including intermolecular interaction. Other research areas will be opened with following material analysis.
  1. Polymer
  2. Catalyst
  3. Quantum electronics device
  4. High temperature supeconductor

■　Specification

Using FTIR( Fourier transform infrared)


Wavelength 10cm-1- (Under 1mm)
Spectromater FTIR
resolution 0.25 cm-1
sample form solid liquid
Detector Si Bolometer

■   FIR spectrum exampleon water

　 　　　　　　　　　　　　　　　　　　　　

■   FIR spectrum exampleon water and acetone mixture.

The hydrogen bonding and dipole-dipole interlaction are observed.

                

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Nojihigashi 7-3-46, Kusatsu, SHIGA, 525-0058 Japan
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e-mail: i@photon-production.co.jp

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