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spectrum, in physics, the intensity of light as it varies with wavelength or frequency. An instrument designed for visual observation of spectra is called a spectroscope, and an instrument that photographs or maps spectra is a spectrograph. Spectra may be classified according to the nature of their origin—i.e., emission or absorption.
The Space Telescope Imaging Spectrograph (STIS) is a versatile "combi-instrument" taking advantage of modern technologies. It combines a camera with a spectrograph, and covers a wide range of wavelengths from the near-infrared region into the ultraviolet. A spectrograph spreads out the light gathered by a telescope so that it can be analysed to ...
Spectrographs and Detectors. Spectrographs with planar holographic transmission gratings have become the norm in ROA spectroscopy. The high-speed entrance optics of commercial spectrographs is ill-suited for coupling with the fiber optics of the dual-arm SCP backscattering arrangement of Figure 1. The 2×31 fibers with a 215 μm core and a 245 ...
Two-dimensional spectrographs used for Raman spectroscopy. (A) combination of a filter spectrograph and a diffraction spectrograph. F1, F2, and F3 are dichroic beam splitters; G1 is a diffraction grating; L1 is a camera lens; FP is the exit focal plane. (B) Echelle spectrograph for Raman spectrometry.
Spectrograph. A spectrograph is an instrument that breaks up a wave into a frequency spectrum. These could be sound, light or radio waves. For example the frequency spectrum of light is the brightness (intensity) and the amount of each colour. There are several kinds of machines called spectrographs, used to look at different waves.
23 dic 2019 · Stéphanie Michelini & Mathieu Amalric Extrait de "Spectrographies", 2013 Un film de SMITH Avec Stéphanie Michelini, Mathieu Amalric, Florence Thomassin, Dominique Blanc, Aurélie Lemanceaux ...
- 10 min
- 719
- Bogdan Chthulu SMITH
12 nov 2015 · Spectrographies: Directed by Smith. With Mathieu Amalric, Eliott Ananou, Dominique Blanc, Anaïs Boudot. The mysterious connections between love stories, ghosts and cinematography, through the feeling of "haunting", and being haunted.
