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Spectroscopy


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Spectrometer Goniometer

Advanced Researcher Version
Model: HO-SP-RE-03DM
Price : $ 5,834.00

For precise determination of angular position, particularly for the optical spectra applications, Holmarc has introduced a new high precision 0.0001 degree resolution spectrometer goniometer. It features low dark current linear Si-Photodiode detection unit for low light measurements. This allows users to work with the spectrometer goniometer in the wavelength range of 320-1100 nm (UV-VIS-NIR). This instrument is suitable for custom experiments and inspection of various optical components with precision. Open and flexible design facilitates quick modification of the instrument for custom applications.

This instrument can as well be used as a spectroscope for the observation and measurement of emission and absorption spectra. Other applications include measurement and determination of optical angles of prisms, thin film characterization through the measurement of reflection and transmission, Brewster's angle spectroscopy etc. When used with a prism, it helps to observe visible light dispersed by wavelength. When used with a diffraction grating and a gas discharge tube, we can observe the emission spectrum of various gases. The wavelengths of each electron transition in the spectrum can be calculated according to the angle of deflection of the light reflected by the grating.

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The focal length of the telescope and collimator tube is 200 mm. The graduated disc features a 360 degree scale with divisions of 0.5. The prism table is removable and features three point bearing leveling screws.

Detector Unit : High precision low dark current (5pA) linear Si-Photodiode with an active area of 1.1 x 5.9 mm is used as detector in RE03DM Spectrometer Goniometer. It has spectral range of 320 - 1100 nm.

Application Include

Spectroscopy

Emission spectrum
Absorption spectrum
R.P of grating & prisms
Dichroism etc.

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

Diffraction

Determination of Groove spacing Wavelength Biprism diffraction etc.

Measuring Optical Parameters like

Optical density
Reflectivity
Transitivity
Absorption
Polarization angle etc.

Custom experiments using Theta Two Theta Goniometer

Holmarc's theta 2 theta stage consists of two rotation stages arranged in such a way that axis of rotation for both the stages are same. Both stages have preloaded ball bearing guides for wobble free rotation and positioning. 360º limitless movement is possible for inner and outer stages. Holmarc manufactures these stages with manual as well as motorized drive configurations.

Rotary graduations are provided in 1º / 2º with appropriate vernier graduations depending on the size of the stage. For motorized rotation stage, worm and gear is our standard drive mechanism. Surfaces of both stages are provided with M6 tapped holes for mounting components and sub-assemblies. Holmarc manufactures custom theta 2 theta stages to suit specific applications as well.

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Established in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.

ISO 9001:2015 Made in INDIA

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