A light source device including a plurality of solid-state light sources, and a cooling member having a plurality of cooling surfaces, the cooling member being configured to cool the plurality of solid-state light sources provided on the respective cooling surfaces.

A light source device including a plurality of solid-state light sources, and a cooling member having a plurality of cooling surfaces, the cooling member being configured to cool the plurality of solid-state light sources provided on the respective cooling surfaces.

A light source apparatus according to an embodiment of the present technology includes a plurality of light source portions, a plurality of temperature adjustment units, and a drive control unit. The plurality of temperature adjustment units are capable of respectively adjusting temperatures of the plurality of light source portions. The drive control unit is capable of controlling a drive timing of each of the plurality of temperature adjustment units.

A light source apparatus according to an embodiment of the present technology includes a plurality of light source portions, a plurality of temperature adjustment units, and a drive control unit. The plurality of temperature adjustment units are capable of respectively adjusting temperatures of the plurality of light source portions. The drive control unit is capable of controlling a drive timing of each of the plurality of temperature adjustment units.

To provide an illumination device, a control device, and a control method enabled to perform control to cause output of each of a plurality of light sources to be constant with a more simplified temperature control circuit. There is provided an illumination device including: a plurality of light sources; a plurality of cooling units respectively provided for the light sources and respectively cooling the light sources; and a drive control unit that performs switching of control with respect to each of the light sources on the basis of a comparison between a target temperature of each of the light sources and a measured temperature of each of the light sources or an environment.

To provide an illumination device, a control device, and a control method enabled to perform control to cause output of each of a plurality of light sources to be constant with a more simplified temperature control circuit. There is provided an illumination device including: a plurality of light sources; a plurality of cooling units respectively provided for the light sources and respectively cooling the light sources; and a drive control unit that performs switching of control with respect to each of the light sources on the basis of a comparison between a target temperature of each of the light sources and a measured temperature of each of the light sources or an environment.

A light source system configured to provide an illumination beam and including at least one light source module is provided. Each of light source module is configured to emit a color beam and includes a plurality of light sources. Different light sources are configured to emit excitation lights of different wavelengths. The excitation lights are combined to form the color beam. The at least one color beam is combined to form the illumination beam. Differences in the wavelengths fall within a range of 5 nm to 10 nm.

A light source system configured to provide an illumination beam and including at least one light source module is provided. Each of light source module is configured to emit a color beam and includes a plurality of light sources. Different light sources are configured to emit excitation lights of different wavelengths. The excitation lights are combined to form the color beam. The at least one color beam is combined to form the illumination beam. Differences in the wavelengths fall within a range of 5 nm to 10 nm.

An optical module having a high-moisture-proof package structure in which dew condensation does not occur is provided. An optical module includes optical components including a light source, a pedestal on which the optical components are mounted, a cover which is combined to the pedestal to seal the optical components, and an emitting window disposed in the cover to take light from the light source outside. The pedestal and the cover are sealed with an O ring and a liquid seal material such that a compression direction of the O ring and a compression direction of the liquid seal material are almost perpendicular to each other.

An optical module having a high-moisture-proof package structure in which dew condensation does not occur is provided. An optical module includes optical components including a light source, a pedestal on which the optical components are mounted, a cover which is combined to the pedestal to seal the optical components, and an emitting window disposed in the cover to take light from the light source outside. The pedestal and the cover are sealed with an O ring and a liquid seal material such that a compression direction of the O ring and a compression direction of the liquid seal material are almost perpendicular to each other.