Transcription of Diffraction Grating Spectrometer - PhysicsOpenLab
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Theremino System Spettrometro_ENG Page 1 Diffraction Grating Spectrometer Design and Collected Spectra Theremino System Theremino System Spettrometro_ENG Page 2 Table of contents Design and Components .. 6 Theory of Diffraction Grating .. 6 Diffraction Grating Specifications .. 8 Portable Spectrometer Construction .. 9 Benchtop Spectrometer 10 Spectra of Lamps .. 11 Spectral 14 Hydrogen .. 14 Carbon Dioxide .. 15 Nitrogen .. 15 Spectra of Flames and Plasma .. 16 Emission and Atomic Absorption spectra .. 17 LED Spectra .. 18 Laser Spectra .. 20 Sun Spectrum.
Spectra of Lamps CFL lamp just lit – presence of lines broadened by phosphorus – infrared emission (λ > 750nm) CFL lamp after warm-up (detail 400nm – 800nm) – no infrared emission Infrared Lines 436nm 546nm 576nm 579nm
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