Light source device, light reflection member, and translucent member

A light source device that emits light in which, among a plurality of types of visual cells including visual pigments having mutually different absorption wavelength bands that are wavelength bands of absorbed light, and constituting a part of an eye of an insect excited when light is absorbed by the visual pigment, only one visual cell is excited, or a plurality of visual cells including visual pigments having absorption wavelength bands in which absorption peaks are adjacent to each other is excited.

A light reflection member that, when light is incident, reflects light in which, among a plurality of types of visual cells including visual pigments having mutually different absorption wavelength bands that are wavelength bands of absorbed light, and constituting a part of an eye of an insect excited when light is absorbed by the visual pigment, as compared to excitability of visual cells including visual pigments having two absorption wavelength bands in which absorption peaks are separated, at least one visual cell having an absorption wavelength band including a visual pigment having an absorption peak between the absorption peaks of the two absorption wavelength bands has lower excitability.

A light reflection member that, when light is incident, reflects light in which, among a plurality of types of visual cells including visual pigments having mutually different absorption wavelength bands that are wavelength bands of absorbed light, and constituting a part of an eye of an insect excited when light is absorbed by the visual pigment, only one visual cell is excited, or a plurality of visual cells including visual pigments having absorption wavelength bands in which absorption peaks are adjacent to each other is excited.

A translucent member that transmits light in which, among a plurality of types of visual cells including visual pigments having mutually different absorption wavelength bands that are wavelength bands of absorbed light, and constituting a part of an eye of an insect excited when light is absorbed by the visual pigment, as compared to excitability of visual cells including visual pigments having two absorption wavelength bands in which absorption peaks are separated, at least one visual cell including a visual pigment having an absorption wavelength band having an absorption peak between the absorption peaks of the two absorption wavelength bands has lower excitability.

A translucent member that transmits light in which, among a plurality of types of visual cells including visual pigments having mutually different absorption wavelength bands that are wavelength bands of absorbed light, and constituting a part of an eye of an insect excited when light is absorbed by the visual pigment, only one visual cell is excited, or a plurality of visual cells including visual pigments having absorption wavelength bands in which absorption peaks are adjacent to each other is excited.