Spectroscope

8:

• A spectrometer comprising:
• a package having a stem and a cap provided with a light entrance part;
• and
• an optical unit disposed on the stem inside the package,
• wherein the optical unit includes
• a dispersive element having a dispersive part configured to disperse and reflect light entering the package from the light entrance part,
• a light detection element having a light detection part configured to detect the light dispersed and reflected by the dispersive part, and
• a support configured to support the light detection element such that a space is formed between the dispersive part and the light detection element,
• wherein the support includes
• a base wall part disposed to oppose the stem, the light detection element being secured to the base wall part, and
• a side wall part disposed to erect to the stem, the side wall part supporting the base wall part,
• wherein the side wall part includes a first wall part and a second wall part opposing each other, and
• a width of the first wall part in a direction in which the first wall part and the second wall part oppose each other is larger than a width of the second wall part in the direction in which the first wall part and the second wall part oppose each other.

9:

• The spectrometer according to claim 8,
• wherein the dispersive element includes a substrate,
• the dispersive part is provided on the substrate,
• the side wall part is joined to the substrate in a portion of a contact part of the side wall part and the substrate.

10:

• The spectrometer according to claim 9,
• wherein an area of a contact part of the first wall part and the substrate is larger than an area of a contact part of the second wall part and the substrate,
• the first wall part is joined to the substrate in at least a portion of the contact part of the first wall part and the substrate, and
• the second wall part is movable with respect to the substrate in the contact part of the second wall part and the substrate.

11:

• The spectrometer according to claim 9,
• wherein an area of a contact part of the first wall part and the substrate is larger than an area of a contact part of the second wall part and the substrate,
• the first wall part is movable with respect to the substrate in the contact part of the first wall part and the substrate, and
• the second wall part is joined to the substrate in at least a portion of the contact part of the second wall part and the substrate.

13:

• The spectrometer according to claim 8,
• wherein the dispersive element includes a substrate,
• the dispersive part is provided on the substrate,
• the first wall part and the second wall part oppose each other in a direction perpendicular to a direction in which the light detection part is shifted from the dispersive part when viewed in a direction in which the stem and the base wall part oppose each other, and
• the side wall part is joined to the substrate in at least a portion of a contact part of the side wall part and the substrate.

14:

• A spectrometer comprising:
• a package having a stem and a cap provided with a light entrance part;
• and
• an optical unit disposed on the stem inside the package,
• wherein the optical unit includes
• a dispersive element having a dispersive part configured to disperse and reflect light entering the package from the light entrance part,
• a light detection element having a light detection part configured to detect the light dispersed and reflected by the dispersive part, and
• a support configured to support the light detection element such that a space is formed between the dispersive part and the light detection element,
• wherein the support includes
• a base wall part disposed to oppose the stem, the light detection element being secured to the base wall part, and
• a side wall part disposed to erect to the stem, the side wall part supporting the base wall part,
• wherein the side wall part includes a first wall part and a second wall part opposing each other, and
• a first projection is formed in a first side surface forming an inner end part of the first wall part, the first projection protruding to a side at which the dispersive part is disposed with respect to the first side surface.

17:

• The spectrometer according to claim 14,
• wherein the dispersive element includes a substrate,
• the dispersive part is provided on the substrate,
• the side wall part is joined to the substrate in a portion of a contact part of the side wall part and the substrate.

18:

• The spectrometer according to claim 17,
• wherein an area of a contact part of the first wall part and the substrate is larger than an area of a contact part of the second wall part and the substrate,
• the first wall part is joined to the substrate in at least a portion of the contact part of the first wall part and the substrate, and
• the second wall part is movable with respect to the substrate in the contact part of the second wall part and the substrate.

19:

• The spectrometer according to claim 17,
• wherein an area of a contact part of the first wall part and the substrate is larger than an area of a contact part of the second wall part and the substrate,
• the first wall part is movable with respect to the substrate in the contact part of the first wall part and the substrate, and
• the second wall part is joined to the substrate in at least a portion of the contact part of the second wall part and the substrate.

21:

• The spectrometer according to claim 14,
• wherein the dispersive element includes a substrate,
• the dispersive part is provided on the substrate,
• the first wall part and the second wall part oppose each other in a direction perpendicular to a direction in which the light detection part is shifted from the dispersive part when viewed in a direction in which the stem and the base wall part oppose each other, and
• the side wall part is joined to the substrate in at least a portion of a contact part of the side wall part and the substrate.