Design, Development and Performance Evaluation of a High Resolution VUV Spectrometer at Indus-I Synchrotron Source

Das, Nigamananda; Shukla, R. P.; Udupa, D. V.; Sahoo, N. K.; Bhattacharya, D.; Sunanda, K.; Saraswathy, P.; Kumar, Sampath; Sinha, Alok; Bhat, Suman Vikas; Sahni, V. C.

doi:10.1007/bf03354745

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“…Of these three beamlines, the high resolution VUV beamline [3,4] is similar to the one commissioned at the SURF-II [5][6][7] synchrotron source. The indigenous design and development of the spectrometer have been reported elsewhere [15,16] Figure 1 shows the schematic optical layout of the 6.65m-off plane Eagle spectrometer with three views. In this beamline light originating from the synchrotron source is focused by the combination of three cylindrical mirrors onto the horizontal entrance slit of a 6.65meter off-plane Eagle spectrometer [8][9][10][11][12][13][14].…”

Section: Inrtoductionmentioning

confidence: 99%

High Resolution VUV Spectrometer at the INDUS-1 Synchrotron Source

Das¹,

Shukla²,

Udupa³

et al. 2007

AIP Conference Proceedings

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A refocusing modified velocity map imaging electron/ion spectrometer adapted to synchrotron radiation studies Rev. Sci. Instrum. 76, 053302 (2005); 10.1063/1.1900646 Erratum: The application of a VUV Fourier transform spectrometer and synchrotron radiation source to measurements of absorption bands of NO [J.The application of a VUV Fourier transform spectrometer and synchrotron radiation source to measurements of: II. The δ(1,0) band of NOAbstract. An indigenously developed high-resolution vacuum ultraviolet (VUV) spectrometer has recently been commissioned at the INDUS-1 Synchrotron Source, Indore, India for carrying out spectroscopic research of atomic and molecular gases. The spectrometer uses a 6.65-meter concave grating in off-plane Eagle mounting and a photomultiplier tube (PMT) for recording the intensity profile of various spectral lines. Experimental performance of the spectrometer has been tested using laboratory sources and 1200 grooves/mm and 4800 grooves/mm concave gratings. Wavelength resolutions of 0.08 Å and 0.01 Å have been achieved when 1200 grooves/mm and 4800 grooves/mm concave gratings have been mounted successfully in the spectrometer. The instrument has been integrated with the high resolution VUV beamline at INDUS-1 and its performance is being evaluated with synchrotron radiation.

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