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Class Information
Number: 356/333
Name: Optics: measuring and testing > By dispersed light spectroscopy > With monochromator structure > Having adjustable color or bandwidth > In a double monochromator
Description: Subject matter wherein a plurality of dispersing elements with an intervening slit or equivalent filtering structure are provided between the dispersing elements, as for providing a narrower band of light.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7352459 |
Scanning Spectrophotometer for high throughput fluorescence detection and fluorescence polarization |
Apr. 1, 2008 |
| 7072037 |
Double monochromatic spectroscopic device |
Jul. 4, 2006 |
| 6989898 |
Dynamic method for changing the operation of a multiple-pass monochromator between additive and subtractive modes |
Jan. 24, 2006 |
| 6930776 |
High optical rejection optical spectrum analyzer/monochromator |
Aug. 16, 2005 |
| 6744506 |
Depolarizing plate and an optical apparatus using the same |
Jun. 1, 2004 |
| 6714298 |
Spectral instrument using multiple non-interfering optical beam paths and elements for use therewith |
Mar. 30, 2004 |
| 6690468 |
Arrangement for simultaneous analysis of several optical lines |
Feb. 10, 2004 |
| 6683686 |
Temporally resolved wavelength measurement method and apparatus |
Jan. 27, 2004 |
| 6657724 |
Optical filter for raman spectroscopy |
Dec. 2, 2003 |
| 6654119 |
Scanning spectrophotometer for high throughput fluroescence detection |
Nov. 25, 2003 |
| 6573989 |
Spectrometer |
Jun. 3, 2003 |
| 6538737 |
High resolution etalon-grating spectrometer |
Mar. 25, 2003 |
| 6411382 |
Monochromator and spectrometric method |
Jun. 25, 2002 |
| 6194701 |
Portable night vision goggle haze and transmissivity measurement device |
Feb. 27, 2001 |
| 5777733 |
Spectrometer with wavelength calibration |
Jul. 7, 1998 |
| 5532818 |
Difference dispersive double-path monochromator having wavelength-independent imaging point |
Jul. 2, 1996 |
| 5461477 |
Method and apparatus for imaging |
Oct. 24, 1995 |
| 5351118 |
Apparatus and method for analyzing particles suspended in a liquid |
Sep. 27, 1994 |
| 5285254 |
Rapid-scanning monochromator with moving intermediate slit |
Feb. 8, 1994 |
| 5233405 |
Optical spectrum analyzer having double-pass monochromator |
Aug. 3, 1993 |
| 5206765 |
Precision slit of adjustable width for a spectral instrument |
Apr. 27, 1993 |
| 5157456 |
Double monochromator |
Oct. 20, 1992 |
| 5157466 |
Grain boundary junctions in high temperature superconductor films |
Oct. 20, 1992 |
| 5002393 |
Low noise optical system |
Mar. 26, 1991 |
| 4981357 |
Spectrophotometer having functions of both a double-monochromater and a single-monochromater |
Jan. 1, 1991 |
| 4856897 |
Raman spectrometer having Hadamard electrooptical mask and diode detector |
Aug. 15, 1989 |
| 4820046 |
Spectroscope apparatus and reaction apparatus using the same |
Apr. 11, 1989 |
| 4743112 |
Imaging spectrometer |
May. 10, 1988 |
| 4737030 |
Apparatus and method for analyzing spectral radiance |
Apr. 12, 1988 |
| 4726657 |
Optical wavelength selective devices having rigid support structure |
Feb. 23, 1988 |
| 4697924 |
Monochromator |
Oct. 6, 1987 |
| 4684253 |
Apparatus for carrying out spectral analysis |
Aug. 4, 1987 |
| 4636074 |
Optics system for emission spectrometer |
Jan. 13, 1987 |
| 4605305 |
Laser nephelometer for sensing antigens and antibodies characterized in having measuring cell comprised of capiliary tube with the diameter of laser beam |
Aug. 12, 1986 |
| 4591270 |
Dispersive optical device |
May. 27, 1986 |
| 4575243 |
Monochromator |
Mar. 11, 1986 |
| 4553840 |
Double monochrometer |
Nov. 19, 1985 |
| 4546256 |
Spectrophotometer for measuring transmission spectra |
Oct. 8, 1985 |
| 4523845 |
Double grating monochromator |
Jun. 18, 1985 |
| 4468121 |
Spectrophotometric analyzer having dual monochromators |
Aug. 28, 1984 |
| 4462689 |
Wide band scanning monochromator |
Jul. 31, 1984 |
| 4455087 |
Monochromatic imaging apparatus |
Jun. 19, 1984 |
| 4371263 |
Double monochromator |
Feb. 1, 1983 |
| 4365156 |
Tunable .theta.-2.theta. device |
Dec. 21, 1982 |
| 4326802 |
Dual monochromator type of spectroanalysis system |
Apr. 27, 1982 |
| 4299488 |
Time-division multiplexed spectrometer |
Nov. 10, 1981 |
| 4120586 |
Method and means for aligning focusing mirrors in an optical spectrometer |
Oct. 17, 1978 |
| 4102576 |
Monochromator combining a plurality of light dispersing elements |
Jul. 25, 1978 |
| 4068954 |
Monochromator having a concave holographic grating |
Jan. 17, 1978 |
| 4036558 |
Focalization process of spherical concave diffraction gratings |
Jul. 19, 1977 |
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