Shelyak Instruments - eShel Spectrograph with Large High Effciency Grating and Canon EOS Lens

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Shelyak Instruments is your complete echelle spectroscopy solution for your astronomical projects
SKU: PF0011
Manufactured by:
Shelyak Instruments
 

Product Description

Shelyak Instruments is your complete echelle spectroscopy solution for your astronomical projects. It is based on our strong experience in spectroscopy (with design and manufacturing of the Lhires III and Lhires Lite) and nights of observations including with MuSiCoS & Narval spectrographs. This practical experience helped us to design a robust and productive solution in the field.


We designed the spectrograph with Christian Buil, a higly recognized optician expert. The software module has been written by Michel Pujol, an expert in Tcl/Tk and AudeLA platform. They both complement our expertise to bring you the best solution in echelle spectroscopy for astronomy!


Fiber Injection & Guiding Unit




  • M42 T-adapter telescope interface



  • Backfocus ~45mm



  • Miror with light going through a 50µm hole for the f/6 standard version or 75µm hole for the f/9 version



  • Calibration fiber input (remote controlled mirror position)



  • Fiber optics



    • 50µm object fiber



    • 200µm calibration fiber



    • fibers protected by metal/plastic casing



    • FC fiber connectors





  • Guiding camera (C-mount; video Watec 120N+ recommended)



Calibration Unit



  • Thorium-Argon lamp with high voltage power supply for precise calibration

  • Flat lamp for echelle order geometry and blaze processing

  • Electronic to control remotely calibration frame acquisition


Echelle Spectrograph




  • Cross-dispersed echelle spectrograph


    • f=125mm collimator (f/5)

    • R2 high efficiency echelle grating

    • coated prism cross-disperser

    • 85mm f/1.8 objective




  • Compact



  • High power of resolution R=10000



  • Visible domain (around 450-700nm)



  • Optimized for large telescope (50µm fiber)



  • Choice of imaging camera



    • KAF1603me chip based (size >13*9mm)



    • QSI 516s or SBIG ST1603me camera recommended



    • Canon EOS lens interface with standard SLR backfocus





eShel Software




  • Easy to use



  • Open source, based on AudeLA platform and Tcl/Tk language



  • work on MS Windows platform



  • multi-language support



  • Remote-controlled operations



  • Automatic spectra reduction procedure after acquisition



  • FITS file support with multiple HDU



  • Export individual orders or merged spectrum


Specifications

Name Shelyak Instruments - eShel Spectrograph with Large High Effciency Grating and Canon EOS Lens
Manufacturer Shelyak Instruments
Model PF0011
Custom Stock Status Available - Ships in 3-5 Days

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