Laser beam profiler in the vacuum ultraviolet spectral range using photostimulable phosphor

Katto, Masahito; Matsumoto, Ryusuke; Kurosawa, Kou; Sasaki, Wataru; Takigawa, Yasuo; Okuda, Masahiro

doi:10.1063/1.1144251

Cited by 20 publications

(4 citation statements)

References 10 publications

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“…The measured IP saturation energy is four orders of magnitude higher than the minimal detected energy with this plate. This is in very good agreement with the measurements of Katto et al 9 with excimer lasers and synchrotron radiation at 6-25 eV. An even better dynamic range of up to five orders of magnitude was reported in hard x-ray detection experiments, 6 probably due to the better sensitivity of their scanning system.…”

Section: Spectrum Measurements Sensitivity and Dynamic Rangesupporting

confidence: 91%

“…Thus, in accordance with the abovementioned data, XUV-VUV radiation in the range of 5-1700 Å ͑7.3-2500 eV͒ was measured in our laboratory with the IP system. In conclusion, taking into account the cutoff energy measurement of the BaFBr:Eu 2ϩ crystal at 6.7 eV presented by Katto et al, 9 image plates can be used for measuring XUV-VUV radiation in the energy range of 6.7-2500 eV and certainly above this energy.…”

Section: Spectrum Measurements Sensitivity and Dynamic Rangementioning

confidence: 85%

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Extreme ultraviolet–vacuum ultraviolet spectrum detection using image plates

Ben-Kish

Fisher

Cheifetz

et al. 2000

Review of Scientific Instruments

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A new detection system for extreme ultraviolet ͑XUV͒ and vacuum ultraviolet ͑VUV͒ spectroscopic measurements, in the energy range of 7-2500 eV, is demonstrated. A photonstimulated luminescence mechanism in BaFBr:Eu 2ϩ , previously used in image plates ͑IPs͒ for hard x rays and particle beam detection, is used for detecting the XUV-VUV spectra. The IP detection system proved to be one to two orders of magnitude more sensitive than conventional photographic glass plates. The measured dynamic range of the IP system ͑four to five orders of magnitude͒ is wider than any other available XUV recording media. The internal resolution of the IP system ͑50 m͒ is slightly lower than photographic glass plate resolution, restricted by scattering processes in the IP during their readout procedure. Theoretically, much higher resolution ͑ϳ5 m͒ could be obtained in the XUV-VUV region by using thinner IPs with better scanning systems. Image plates are flexible, easy to handle, and reusable. No dark room loading and developing conditions are needed and good reproducibility is obtained. All these characteristics make the image plate a very suitable recording medium for XUV-VUV spectroscopy.

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Section: Spectrum Measurements Sensitivity and Dynamic Rangesupporting

confidence: 91%

Section: Spectrum Measurements Sensitivity and Dynamic Rangementioning

confidence: 85%

Extreme ultraviolet–vacuum ultraviolet spectrum detection using image plates

Ben-Kish

Fisher

Cheifetz

et al. 2000

Review of Scientific Instruments

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“…Despite the capability and advantages of IPs as VUV detectors, we do not find much literature reporting their use in synchrotron radiation source based VUV photoabsorption studies. Here, a mention must be made to the paper by M. Katto et al [8] where they have compared the photoluminescence intensity from BaFBr:Eu 2+ films irradiated by synchrotron radiation and pulsed VUV lasers.…”

Section: Introductionmentioning

confidence: 99%

Photostimulated phosphor based image plate detection system for HRVUV beamline at Indus-1 synchrotron radiation source

Haris

Singh

Shastri

et al. 2014

Nuclear Instruments and Methods in Physics Research Section A:

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A high resolution vacuum ultraviolet (HRVUV) beamline based on a 6.65 meter offplane Eagle spectrometer is in operation at the Indus-1 synchrotron radiation source, RRCAT, Indore, India. To facilitate position sensitive detection and fast spectral recording, a new BaFBr:Eu 2+ phosphor based image plate (IP) detection system interchangeable with the existing photomultiplier (PMT) scanning system has been installed on this beamline. VUV photoabsorption studies on Xe, O 2 , N 2 O and SO 2 are carried out to evaluate the performance of the IP detection system. An FWHM of ~ 0.5 Å is achieved for the Xe atomic line at 1469.6 Å. Reproducibility of spectra is found to be within the experimental resolution. Compared to the PMT scanning system, the IP shows several advantages in terms of sensitivity, recording time and S/N ratio, which are highlighted in the paper. This is the first report of incorporation of an IP detection system in a VUV beamline using synchrotron radiation. Commissioning of the new detection system is expected to greatly enhance the utilization of the HRVUV beamline as a number of spectroscopic experiments which require fast recording times combined with a good signal to noise ratio are now feasible.

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“…Three plates were used for each spectrum, producing a total wavelength coverage of about 600 Å. The image plates were read with a rotary drum scanner (PerkinElmer Cyclone Storage Phosphor Scanner B41200 (see footnote 4)), which illuminates the plate with red light from a laser, while a photomultiplier tube detects the blue light emitted through photostimulated luminescence (Katto et al 1993;Iwabuchi et al 1994). The grating slit width used, 52 μm, was selected due to the inherent resolution limitation imposed by the scanner (pixel size ∼42 μm).…”

Section: Grating Measurementsmentioning

confidence: 99%

THE SPECTRUM AND TERM ANALYSIS OF CO iii MEASURED USING FOURIER TRANSFORM AND GRATING SPECTROSCOPY

Smillie

Pickering

Nave

et al. 2016

ApJS

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The spectrum of Co III has been recorded in the region 1562-2564 Å (64,000 cm −1 -39,000 cm −1 ) by Fourier transform (FT) spectroscopy, and in the region 1317-2500 Å (164,000 cm −1 -40,000 cm −1 ) using a 10.7m grating spectrograph with phosphor image plate detectors. The spectrum was excited in a cobalt-neon Penning discharge lamp. We classified 514 Co III lines measured using FT spectroscopy, the strongest having wavenumber uncertainties approaching 0.004 cm −1 (approximately 0.2 mÅ at 2000 Å, or 1 part in 10 7 ), and 240 lines measured with grating spectroscopy with uncertainties between 5 and 10 mÅ. The wavelength calibration of 790 lines of Raassen & Ortí Ortin and 87 lines from Shenstone has been revised and combined with our measurements to optimize the values of all but one of the 288 previously reported energy levels. Order of magnitude reductions in uncertainty for almost two-thirds of the 3d 6 4s and almost half of the 3d 6 4p revised energy levels are obtained. Ritz wavelengths have been calculated for an additional 100 forbidden lines. Eigenvector percentage compositions for the energy levels and predicted oscillator strengths have been calculated using the Cowan code.

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Laser beam profiler in the vacuum ultraviolet spectral range using photostimulable phosphor

Cited by 20 publications

References 10 publications

Extreme ultraviolet–vacuum ultraviolet spectrum detection using image plates

Extreme ultraviolet–vacuum ultraviolet spectrum detection using image plates

Photostimulated phosphor based image plate detection system for HRVUV beamline at Indus-1 synchrotron radiation source

THE SPECTRUM AND TERM ANALYSIS OF CO iii MEASURED USING FOURIER TRANSFORM AND GRATING SPECTROSCOPY

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