OPTICAL ELEMENT, LIGHT RECEIVING DEVICE, DISTANCE MEASUREMENT APPARATUS, MOBILE OBJECT, AND OPTICAL ELEMENT MANUFACTURING METHOD

OPTICAL ELEMENT, LIGHT RECEIVING DEVICE, DISTANCE MEASUREMENT APPARATUS, MOBILE OBJECT, AND OPTICAL ELEMENT MANUFACTURING METHOD

An optical element (1) includes a resin base (10); and multiple films (20A) on a surface of the resin base (10), the multiple films (20A) including: a first film (21) having a first defect density; and a second film (23) over the first film, the second film (23) having a second defect density smalle...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SUGAYA, Takashi, HOSONO, Nobuto, WATANABE, Jun
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:An optical element (1) includes a resin base (10); and multiple films (20A) on a surface of the resin base (10), the multiple films (20A) including: a first film (21) having a first defect density; and a second film (23) over the first film, the second film (23) having a second defect density smaller than the first defect density of the first film (21).