Patent ID: 11927528
Assignee: KAHOKU LIGHTING SOLUTIONS CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The optical measuring device according to claim 1, wherein
the first light source further has a bulb having a light transmission part,
the filament is accommodated in the bulb,
the light source device further has a condensing optical system which is arranged between the filament of the first light source and the second light source, condenses the light from the second light source, and irradiates whole or a part of the filament of the first light source with the condensed light through the light transmission part of the bulb of the first light source, and
the first light source irradiates the measuring object through the light transmission part of the bulb with combined light of light from the filament in a state of heating and light emitting and light which is diffused and reflected on the surface of the filament which is irradiated with light transmitted through the condensing optical system from the second light source.