JPWO2017036622A5

JPWO2017036622A5 -

Info

Publication number: JPWO2017036622A5
Application number: JP2018511145A
Authority: JP
Publication date: 2022-02-21
Anticipated expiration: 2036-06-14

Description

［0023］分光器１００の例示的な実施形態では、分散素子１１４は、透過回折格子、溝付き回折格子、ホログラフィック回折格子、および／または、プリズム、および／または、当該技術分野で公知または今後開発される他の適切な分散素子を備えている。例示的な実施形態では、分散素子１１４は、四角形又は正方形のプレートと、凹状円形反射・回折面であるアクティブ領域と、を備えている。
[0023] In an exemplary embodiment of the spectroscope 100, the dispersion element 114 is known or in the art as a transmission diffraction grating, a grooved diffraction grating, a holographic diffraction grating, and / or a prism, and / or It has other suitable dispersive elements to be developed. In an exemplary embodiment, the dispersion element 114 comprises a quadrilateral or square plate and an active region that is a concave circular reflection / diffraction surface.

Claims

The spectroscope (100)
Equipped with a housing (102)
The housing (102) comprises a wall portion (104) having an inner surface facing the inside of the housing.
The wall portion comprises a first opening (106), a second opening (108), and a third opening (110).
The wall comprises at least three protrusions (122) extending inward of the second opening (108).
The spectroscope (100) further
An inlet slit (112) located at the first opening (106), configured to direct light along the first portion of the optical path (LP1) inside the housing (102). With the entrance slit (112)
A dispersion element (114) located at the second opening (108) that receives light from the inlet slit (112) along the first portion (LP1) of the optical path and receives the light from the housing. (102) includes a dispersion element (114) configured to direct light along the second portion (LP2) of the optical path inside the interior.
The dispersion element (114) comprises a contour portion (124) having dimensions in contact with the plurality of protrusions (122) extending into the second opening (108).
The contour portion (124) of the plurality of protrusions (122) and the dispersion element (114) is when the dispersion element (114) is at least partially located within the second opening (108). The contour portion (124) of the dispersion element (114) is in contact with all of the plurality of protrusions (122), and the orientation of the dispersion element (114) with respect to the inlet slit (112) is fixed. With complementary dimensional parameters and complementary tolerance parameters,
The spectroscope (100) further comprises a detector (116) located at the third aperture (110).
The detector (116) is a spectroscope configured to receive light from the dispersion element (114) along the second portion (LP2) of the optical path.

The spectroscope (100) according to claim 1.
The second opening (108) comprises an inner opening (2081) and an outer opening (2082).
The inner opening (2081) is located closer to the interior of the housing than the outer opening (2082).
The plurality of protrusions (122) include a first group of protrusions (122A) extending inward of the inner opening and a second group of protrusions extending inward of the outer opening. A spectroscope comprising a section (122B).

The spectroscope (100) according to claim 2.
A spectroscope comprising at least one of the first group of protrusions (122A) and the second group of protrusions (122B) having at least three protrusions.

The spectroscope (100) according to claim 2 or 3.
The inner opening (2081) and the outer opening (2082) are spectroscopes having different diameters.

The spectroscope (100) according to any one of claims 1 to 3.
The detector (116) includes a first group of photosensitive regions (118) and a second group of photosensitive regions (120).
The spectroscope (100) further comprises a cover (105) positioned to separate the photosensitive region (118) of the first group from the optical path.
The photosensitive region (120) of the second group is a spectroscope exposed to the optical path.

The spectroscope (100) according to any one of claims 1 to 5.
The detector (116) is one of a charge-coupled device array detector, a line charge-coupled device detector, a photodiode array detector, and a complementary metal oxide semiconductor detector.

The spectroscope (100) according to claim 5 or claim 6, which cites claim 5.
The photosensitive region (118) of the first group detects light in the first wavelength band.
The photosensitive region (120) of the second group detects light in the second wavelength band.
A spectroscope in which the first wavelength band and the second wavelength band are different.

The spectroscope (100) according to claim 5 or claim 6, which cites claim 5.
The photosensitive region (118) of the first group detects light in the first wavelength band.
The photosensitive region (120) of the second group detects light in the second wavelength band.
A spectroscope that does not overlap the first wavelength band and the second wavelength band.

The spectroscope (100) according to any one of claims 1 to 8.
The filter (117) arranged in front of the detector (116) is provided, and as a result, the light traveling along the second portion (LP2) of the optical path first exceeds the filter (117). A spectroscope that then reaches the detector (116).

The spectroscope (100) according to any one of claims 6, claim 7, claim 8 and claim 9 which directly or indirectly cites claim 5. hand,
The cover (105) is a spectroscope integrated with the wall portion of the housing (102).

The spectroscope (100) according to any one of claims 6, claim 7, claim 8 and claim 9 which directly or indirectly cites claim 5. hand,
The cover (105) is a spectroscope that is separate from the wall portion of the housing (102).

The spectroscope (100) according to any one of claims 1 to 11.
The inlet slit (112) has a cylindrical shape in which a flat portion (126) extending in the axial direction is provided in a part of the cylinder, and the flat portion (126) has the first opening (106) . Extending along a plane angled with respect to the inner surface of the housing (102),
The flat portion (126) is a spectroscope configured to fix the inlet slit (112) in a predetermined orientation with respect to the dispersion element (114) for the first portion (LP1) of the optical path.

The spectroscope (100) according to claim 12.
The inlet slit (112) is a spectroscope having a longitudinal gap (113) extending at an angle of 90 degrees with respect to the flat portion (126).

The spectroscope (100) according to any one of claims 1 to 13.
Combined with optical fiber (128),
The optical fiber (128) is configured such that light is directed through the optical fiber (128) into the spectroscope (100).
The optical fiber (128) is a spectroscope that optically communicates with the inlet slit (112).

The spectroscope (100) according to any one of claims 12, 13, and 14, which directly or indirectly cites claim 12.
A spectroscope comprising a screw (130) positioned in contact with the flat portion (126) of the inlet slit (112) to secure the inlet slit in a predetermined orientation.

The spectroscope (100) according to claim 15.
The inlet slit (112) comprises a flange (132) around the inlet slit (112).
The flat portion (126) is a spectroscope that is a flat portion of the flange.

The spectroscope (100) according to claim 16.
Combined with optical fiber (128),
The optical fiber (128) is configured to direct light through the optical fiber (128) into the spectroscope.
The flange (132) is a spectroscope comprising a tubular member accommodating the optical fiber (128) that optically communicates with the inlet slit (112).

It ’s a spectrometer (500),
The spectroscope (100) according to any one of claims 1 to 17, and the spectroscope (100).
Light source (502) and
A measurement area (504) configured to hold the sample or sample carrier, and
A first optical element (506) configured to direct light from the light source (502) toward the measurement region (504).
A spectroscope comprising a second optical element (508) configured to direct light from the measurement region (504) toward the inlet slit (112) of the spectroscope (100).