grism
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
8
Scrabble Score
5
Letters
1
Syllables
5
Unique Chars
Meaning
noun
A combination of diffraction grating and prism used to obtain spectra from selected parts of an image.
Example Sentences
- "The advantage of grisms is that the same camera can be used both for imaging (without the grism) and spectroscopy (with the grism) without having to be moved."
- "If this grism is placed in an ƒ/4 beam at s = 120 mm, the plate factor P ≈ 1100 Å/mm."
- "As the name implies, grisms are a combination of a transmission grating and a prism. One common configuration uses the refraction at the grism surface to redirect nonzero diffractive orders along the original optical path."
- "The grism usually consists of an SR transmission grating mounted on the hypotenuse of a right-angle prism.[…]Volumetric phase holographic grisms, which are capable of relatively high angular dispersions, have begun to appear."
Etymology
Inflected Forms
Synonyms
grating prism