Homemade CCD spectrometer. (I) Setup and spectra
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Uploaded by toc1955 on Sep 11, 2010
(Adolf Cortel, September 2010) Setup of a homemade CCD spectrometer. The light coming through an optical fiber, a lens and a narrow(regulable) slit falls in a concave diffraction grating (removed from a scrapped Agilent spectrometer) focused on a linear CCD. A Labview program working with a Vernier SensorDAQ module measures the output of the sensor and plots the results. The emission spectrum of some lamps and a couple of absorption spectra are shown as a samples.
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Nice video. I wish you had narrated the detail of construction, but pretty cool.
What linear ccd did you use and how did you get it? They seem to be hard to find.
wetwingnut 1 year ago
@wetwingnut
Hi,
The CCD is a Sony ILX551. They are sold as a vintage electronic components. The concave diffraction grating is focused on the CCD and it comes from a discarted Agilent spectrometer, thus, I don't have the details (perhaps 300 lines/mm). In the former apparatus it was used in the UV and visible range with a resolution around 1 nm. The yellow doublet of mercury is resolved but the doublet of sodium don't. I use it in the 1st order spectrum. The second order is too dim.
toc1955 1 year ago