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Analytical Instruments


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Variable Angle Spectroscopic Ellipsometer

Model No: HO-SE-01
Price : $ 20,000.00

Spectroscopic Ellipsometer is a non-contact instrument widely used for thin film analysis and measurements. Holmarc’s Spectroscopic Ellipsometer model HO-SE-01 incorporates Rotating Analyzer Ellipsometry(RAE) technology to characterize thin film samples. It uses a high speed CCD array detector to collect the entire spectrum. It measures films from nanometer thickness up to tens of microns and the optical properties from transparent to absorbing materials. It accurately measures optical constants like refractive index, film thickness and extinction coefficient.

HO-SE-01 model is equipped with a 50W Halogen lamp as the light source. A set of motorized rotatable Glan-Thompson polarizers are used as the Polarizer and the Analyser. A motorized Z stage is provided for the automatic focusing of sample and a manual tilting platform is provided for the sample alignment. An optical fiber with SMA connector is used to couple the reflected light from the sample to the spectrometer.

A user-friendly measurement software is provided for the initial calibration and automatic measurements. An analysis software with advanced mathematical fitting algorithm is provided for the deduction of thickness and optical properties from the measured data.

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Principle of Ellipsometry

Ellipsometry is a highly sensitive optical measurement technique for optical thin films. The principle relies on the analysis of the change in the polarization state of light reflected from a surface. The change in the polarization of light reflected from the thin film surface is measured by taking the amplitude ratio of two perpendicularly polarized beams.

p  =  rp / rs  =  tan Ψe

Where Ψ and Δ are the amplitude ratio and phase shift of the p and s components respectively. Since ellipsometry is measuring the ratio of two values, it is very accurate and reproducible.

Ellipsometric Solutions

Need Customization for measurements. HOLMARC's experienced support engineers will be glad to help you.
Call us at +91 920-719-7772 or send us a mail to sales@holmarc.com

Holmarc can provide custom spectroscopic ellipsometers to fit a wide variety of applications.

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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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    B.7., H.M.T. Industrial Estate H.M.T. P.O, Kalamassery, Kochi Kerala, India - 683 503
   +91 920-719-7772 / 6 / 1
   sales@holmarc.com
   Mon - Sat : 9 am to 5 pm

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