Far-IR/THz Spectroscopy Beamline MIRRORCLE-6FIR at SLLS of Ritsumeikan University

2008 ◽  
Vol 1 (1) ◽  
pp. 31-37 ◽  
Author(s):  
Md. Monirul Haque ◽  
H. Yamada ◽  
A. Moon ◽  
M. Yamada
Keyword(s):  
Synchrotron Radiation ◽  
Ray Tracing ◽  
Far Infrared ◽  
Thz Spectroscopy ◽  
Synchrotron Radiation Beam ◽  
Science Center ◽  
Simulation Code ◽  
Radiation Beam ◽  
Electron Orbit ◽  
Synchrotron Light

A new beamline, MIRRORCLE-6FIR for far infrared-terahertz (THZ) spectroscopy (FIRS) has been recently constructed at the synchrotron light life science center (SLLS) of Ritsumeikan University.  An exactly circular optics with vertical angle has been employed as the first mirror which collects synchrotron radiation (SR) photons emitted into 2π of a circular electron orbit of length 1 m only. An exit opening on its surface can extract SR photons up to 264 mrad in horizontal and 198 mrad in vertical. The optimum optical system has been determined by using ray trace simulation code ZEMAX. The purpose is to develop an FIRS beamline with high power FIR. The design of the beamline optics with the results of its ray-tracing are reported in this article.Keywords: MIRRORCLE; Synchrotron radiation; Beam line; Ray-tracing; Terahertz; Far infrared spectroscopy.  © 2009 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.  DOI: 10.3329/jsr.v1i1.1133 

Performance of the far-IR beamline of the 6 MeV tabletop synchrotron light source

2009 ◽  
Vol 16 (2) ◽  
pp. 299-306 ◽  
Author(s):  
Md. Monirul Haque ◽  
Hironari Yamada ◽  
Ahsa Moon ◽  
Mami Yamada
Keyword(s):  
Light Source ◽  
Optical System ◽  
Far Infrared ◽  
Beam Current ◽  
Small Ring ◽  
Thermal Source ◽  
Simulation Code ◽  
Dynamic Aperture ◽  
Electron Orbit ◽  
Synchrotron Light

The performance of the far-infrared (FIR) beamline of the 6 MeV tabletop synchrotron light source MIRRORCLE-6FIR dedicated to far-infrared spectroscopy is presented. MIRRORCLE-6FIR is equipped with a perfectly circular optical system (PhSR) placed around the 1 m-long circumference electron orbit. To illustrate the facility of this light source, the FIR output as well as its spectra were measured. The optimum optical system was designed by using the ray-tracing simulation code ZEMAX. The measured FIR intensity with the PhSR in place is about five times higher than that without the PhSR, which is in good agreement with the simulation results. The MIRRORCLE-6FIR spectral flux is compared with a standard thermal source and is found to be 1000 times greater than that from a typical thermal source at ∼15 cm−1. It is also observed that the MIRRORCLE-6FIR radiation has a highly coherent nature. The broadband infrared allows the facility to reach the spectral range from 10 cm−1 to 100 cm−1. MIRRORCLE-6FIR, owing to a large beam current, the PhSR mirror system, a large dynamic aperture and small ring energy, can deliver a bright flux of photons in the FIR/THz region useful for broadband spectroscopy.

CVD diamond films for synchrotron radiation beam monitoring

1999 ◽  
Author(s):  
Sultan B. Dabagov ◽  
Igor I. Vlasov ◽  
Violetta A. Murashova ◽  
Mikhail V. Negodaev ◽  
Victor G. Ralchenko ◽  
...  
Keyword(s):  
Synchrotron Radiation ◽  
Diamond Films ◽  
Cvd Diamond ◽  
Synchrotron Radiation Beam ◽  
Radiation Beam ◽  
Beam Monitoring

Bonding and electronic states of boron in silicon nanowires characterized by an infrared synchrotron radiation beam

Nanoscale ◽  
2015 ◽  
Vol 7 (16) ◽  
pp. 7246-7251 ◽  
Author(s):  
N. Fukata ◽  
W. Jevasuwan ◽  
Y. Ikemoto ◽  
T. Moriwaki
Keyword(s):  
Synchrotron Radiation ◽  
Excited States ◽  
Silicon Nanowires ◽  
Ground State ◽  
Electronic States ◽  
Electronic Transitions ◽  
Synchrotron Radiation Beam ◽  
Radiation Beam ◽  
Acceptor Atom ◽  
Ft Ir

The first report of B local vibrational peaks and electronic transitions of a bound hole from the ground state of a B acceptor atom to excited states by means of micro-FT-IR measurements using an IR-SR beam.

A synchrotron radiation beam-position monitor at the Taiwan Light Source

1998 ◽  
Vol 5 (3) ◽  
pp. 621-623 ◽  
Author(s):  
J.-R. Chen ◽  
T. S. Ueng ◽  
G. Y. Hsiung ◽  
T. F. Lin ◽  
C. T. Lee ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Synchrotron Radiation ◽  
Light Source ◽  
Photon Beam ◽  
Synchrotron Radiation Beam ◽  
Beam Position Monitor ◽  
Radiation Beam ◽  
Beam Position ◽  
Radiation Research

A prototype photon-beam-position monitor has been designed, fabricated and tested at the Taiwan Light Source of the Synchrotron Radiation Research Center. Aluminium was chosen as the material of the blade electrodes due to its low atomic number and high thermal conductivity. The resolution of this photon-beam-position monitor was <±1 µm. The sensitivity of the blade electrode has been measured in situ. Results of measurements for bending-magnet light and undulator light with different gaps are described.

Beamline for calibration of transfer standard light sources in the UV and VUV regions

1998 ◽  
Vol 5 (3) ◽  
pp. 759-761 ◽  
Author(s):  
Tatsuya Zama ◽  
Terubumi Saito ◽  
Hideo Onuki
Keyword(s):  
Electron Beam ◽  
Synchrotron Radiation ◽  
Primary Standard ◽  
Orbital Plane ◽  
Magnetic Flux Density ◽  
Light Sources ◽  
Synchrotron Radiation Beam ◽  
Radiation Beam ◽  
Radiant Intensity ◽  
Transfer Standard

A beamline which serves for calibrating transfer standard light sources (deuterium lamps, excimer lamps, Xe lamps etc.) in the UV and VUV regions is being constructed. The synchrotron radiation from the electron storage ring TERAS (750 MeV) is used as a primary standard of spectral radiant intensity. In order to use synchrotron radiation as a primary standard, the electron beam and synchrotron radiation beam parameters need to be evaluated. Uncertainties of synchrotron radiation flux evaluated by measurements of the magnetic flux density, the position of the electron orbital plane, the electron beam size and the distance from the synchrotron radiation tangent point to the detector system are expected to be about 0.003, 0.01, 0.05 and 0.1%, respectively.

scholarly journals Characterization of a Pt mirror to be used to deflect synchrotron radiation beam onto Langmuir monolayers

2015 ◽  
Vol 22 (3) ◽  
pp. 859-861 ◽  
Author(s):  
Carlos E. P. Vieira ◽  
Antonio A. M. Gasperini ◽  
Pedro P. S. Freitas ◽  
Rafael G. Oliveira ◽  
Leide P. Cavalcanti
Keyword(s):  
Liquid Surface ◽  
Langmuir Monolayers ◽  
Simple Approach ◽  
Synchrotron Radiation Beam ◽  
X Rays ◽  
Radiation Beam ◽  
Scattering Measurements ◽  
Synchrotron Light ◽  
Surface Diffraction

A homemade mirror for X-rays has been built to prepare a diffraction beamline for liquid surface diffraction and scattering measurements. This simple approach is in operation at the XRD2 bending-magnet beamline at the Brazilian Synchrotron Light Laboratory.

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