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Spectrometer Goniometer

Rail based

Model: HO-SP-RE-01

Spectrometer Goniometer (Model No: HO-SP-RE-01) is designed as a versatile instrument suitable for any optics laboratory. Its optical rail based construction allows the user to device it for multitudes of applications. Laser engraved, precise rotary graduations ensure reliable and repeatable read outs. Its sturdy movement along with its fine positioning capabilities makes the instrument suitable for many research activities other than spectroscopy.

The measurement of refractive index is carried out with a dispersion prism made from the material to be tested. For the measurement of fluids, a hollow prism, which is filled with the fluid is used. It can also be used as a spectroscope for qualitative examination and measurement of emission and absorption spectra. The diffraction angle of plane grating and holographic grating can also be measured. Various accessories and mounting options are available.

All components are made of aluminium and stainless steel to avoid corrosion. Optics used are of research quality. The slit used is of precision grade with micrometer adjustments for sub-micron sensitivity. The well designed mechanics of the Goniometer allows maintenance-free operation over many years.

The instrument can be used for inspection of various optical components in laboratories or workshops.

Open and flexible design facilitates quick modification of the instrument for custom applications. This goniometer can also be used for checking reflection & transmission ratios of thin films coated on glass substrate.

        Prism Table    :    10 arc minute
        Telescope Positioning    :    1 arc minute
        Design    :    Variable, 0 - 3mm
        Micrometer controlled
        Resolution    :    10 Micron

Spectrometer Gonimeter
Equilateral High Index Prism
Hollow Prism
Diffraction grating
Mercury Lamp with Power Supply

Application Include


Emission spectrum

Absorption spectrum

R.P of grating & prisms

Dichroism etc.

Angle measurements of equilateral prism, wedge prism, biprism etc. Refractive index measurements.


Determination of Groove spacing Wavelength Biprism diffraction etc.

Measuring Optical Parameters like

Optical density




Polarization angle etc.

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