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spectrograph    音标拼音: [sp'ɛktrəgr,æf]
n. 光谱摄制仪,摄谱仪

光谱摄制仪,摄谱仪

spectrograph
n 1: a spectroscope by which spectra can be photographed
2: a photographic record of a spectrum [synonym: {spectrogram},
{spectrograph}]

Spectrograph \Spec"tro*graph\, n. [Spectrum graph.] (Physics)
(a) An apparatus for photographing or mapping a spectrum.
(b) A photograph or picture of a spectrum. --
{Spec`tro*graph"ic}, a. -- {Spec`tro*graph"ic*al*ly},
adv. -- {Spec*trog"ra*phy}, n.
[Webster 1913 Suppl.]


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  • Optical spectrometer - Wikipedia
    Grating spectrometer schematic Internal structure of a grating spectrometer: Light comes from left side and diffracts on the upper middle reflective grating The wavelength of light is then selected by the slit on the upper right corner An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the
  • What Is a Spectrograph? Definition and How It Works
    A spectrograph is an instrument that splits light into its individual wavelengths and records the resulting pattern, called a spectrum Think of it as a more sophisticated version of a prism catching sunlight and throwing a rainbow on the wall, except a spectrograph captures that rainbow permanently so it can be measured and analyzed This recorded spectrum reveals what an object is made of
  • How Does a Spectrograph Work? [Infographic] - Scientific American
    A spectrograph splits light into its component wavelengths First, light travels from a telescope through a small opening in the spectrograph to a collimating mirror that lines up all entering
  • Spectrograph and Spectroscopy | ESA Hubble | ESA Hubble
    Spectrograph and Spectroscopy Spectroscopy is a fundamental tool that astronomers use to study the Universe Spectrographs are instruments that are used to conduct spectroscopy They provide scientists with the data they need to analyse the materials that make up stars, nebulae, galaxies and the atmospheres of planets
  • Spectrometers, monochrometers and spectrographs - Horiba
    What is a spectrograph? A spectrograph splits light from an object into its component wavelengths so that it can be recorded and analyzed It provides an image of defined bandwidth and wavelength A spectrograph includes some means, like an electronic detector, for recording the spectrum for analysis
  • Spectrometer, Spectroscope, and Spectrograph - SPIE
    A spectrograph is an instrument that separates incoming light by its wavelength or frequency and records the resulting spectrum in some kind of multichannel detector, like a photographic plate Many astronomical observations use telescopes as, essentially, spectrographs
  • How a Spectrograph Works - Science@NASA
    A spectrograph passes light coming into the telescope through a tiny hole or slit in a metal plate to isolate light from a single area or object This light is bounced off a special grating, which splits the light into its different wavelengths (just like a prism makes
  • What Is a Spectrograph and How Does It Work? - Biology Insights
    A spectrograph is an instrument that splits light into its individual wavelengths and records the resulting pattern, called a spectrum Think of it as a far more precise version of what happens when sunlight passes through a raindrop to create a rainbow, except a spectrograph captures that rainbow in fine detail and preserves it for analysis
  • Spectrograph vs Spectrometer: Understanding the Difference
    Spectrograph: Primarily a **recording device**—it captures and stores spectral data (often as an image or digital file) for later analysis It’s like a camera for light Spectrometer: A **real-time measuring instrument**—it directly outputs numerical data (e g , wavelength vs intensity) for immediate use, often with built-in electronics
  • What are optical spectrographs used for- Oxford Instruments
    What is a spectrograph used for? A spectrograph is an instrument used to separate and measure the wavelengths present in Electromagnetic radiation and to measure the relative amounts of radiation at each wavelength In other words obtain and record the spectral content of light or its ‘spectrum’ The spectrograph splits or disperses the light from an object into its component wavelengths





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