Innovating spectrometry studies at undergraduate level using a linear CCD array

Amit Garg; Reena Sharma; Vishal Dhingra

doi:10.1117/12.893563

9 September 2011 Innovating spectrometry studies at undergraduate level using a linear CCD array

Amit Garg, Reena Sharma, Vishal Dhingra

Proceedings Volume 8129, Novel Optical Systems Design and Optimization XIV; 81290H (2011) https://doi.org/10.1117/12.893563
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Students are less enthused in performing various spectrometry experiments in a conventional optics laboratory at the undergraduate level. In order to motivate students towards spectrometry, the present development focuses on innovating spectrometry experiments in undergraduate optics laboratory by integrating a linear CCD (Charge Coupled Device) for optical intensity capture using LabVIEW based application and a Digital Storage Oscilloscope with NI LabVIEW Signal Express. In the first step, students have calibrated wavelength in terms of x- position using a standard Mercury light source. Then this calibration has been used to display and measure the emission spectra of various light sources. Various measurements performed include characterizing various LEDs in terms of wavelengths emitted for use in measurement of Planck's constant, measuring characteristic wavelengths in emission spectra of hydrogen lamp (for calculating Rydberg's constant).

Citation Download Citation

Amit Garg, Reena Sharma, and Vishal Dhingra "Innovating spectrometry studies at undergraduate level using a linear CCD array", Proc. SPIE 8129, Novel Optical Systems Design and Optimization XIV, 81290H (9 September 2011); https://doi.org/10.1117/12.893563

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