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Longer ir wavelengths - PowerPoint PPT Presentation

Infrared Telescopes

Infrared Telescopes. The Electromagnetic Spectrum. see different phenomena at different wavelengths. 1800: Discovery of IR Light. Herschel used a prism to separate sunlight into colors.

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493 views • 39 slides

Nernst Glower

Nernst Glower. Derived from German chemist Walther Hermann Nernst, who derived the Nernst equation. Used in spectroscopy to provide near infrared radiation. They have a large negative temperature coefficient of electrical resistance and must be preheated to be conductive. How it Works.

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1.97k views • 7 slides

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Longer ir wavelengths - PowerPoint PPT Presentation

Infrared Telescopes

Nernst Glower