Analytical Instruments
Holmarc’s SPA-SP300C2 Theta 2theta spectrophotometer gives precise measurements of spectral parameters such as reflection, transmission, and Absorption in all spectral range of UV, VIS and NIR. Spectral transmission and reflection measurements at any desired angle with a resolution of 0.1 nm can be carried out with this spectrophotometer. Let us discuss some features of our spectrophotometer with ‘θ - 2θ’ configuration. ‘θ' is the angle between the source and the sample. Where, 2θ is the angle between the incident beam and the detector. The incident angle θ is always half of the detector angle 2θ.In addition to the system configurations, thin film thickness from transmission mode also included in our new system.
For Angle based reflectometry, Initial Angle θ is provided for 15 - 90 degrees and correspondingly 2θ for 30-180 degrees. In Normal incidence transmission mode, we can find the transmission & absorption of colloidal solutions as well as thin film sample transmission and its thickness. For thin film thickness Fresnel equations is used here. Samples must be transparent to create thin film interference. Thickness range from 35 nm to 3500 nm we can use. Two detectors is provided here. In UV-Vis region UV enhanced Si-photon detector is provided for NIR region InGaAs photo detector is used. Automatic control and detection of lamps & sensors is controlled by software.
System Features
Specially designed for optical characterizationSoftware designed for photometry
Spectrum ScanningEstablished in 1993, Holmarc Opto-Mechatronics Ltd manufactures variety of scientific and engineering instruments for research, industry and education.
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