JPH0157701U - - Google Patents

Info

Publication number
JPH0157701U
JPH0157701U JP15291787U JP15291787U JPH0157701U JP H0157701 U JPH0157701 U JP H0157701U JP 15291787 U JP15291787 U JP 15291787U JP 15291787 U JP15291787 U JP 15291787U JP H0157701 U JPH0157701 U JP H0157701U
Authority
JP
Japan
Prior art keywords
less
fresnel lens
mirror
bonded
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15291787U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15291787U priority Critical patent/JPH0157701U/ja
Publication of JPH0157701U publication Critical patent/JPH0157701U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

【図面の簡単な説明】
第1図は材料の透過率の波長依存性を示してい
る。第2図は従来の光学系を示している。 F.Lはフレネルレンズ、Fはフイルター、S
Eはセンサーをそれぞれ示す。 第3図aとbは本考案のフレネルレンズF.L
とミラーMiに透過率の波長依存性のある材料M
Bを重ねた集光具を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 5μ以下の波長帯域に於けるエネルギーの透過
    率が10%以下である材質をフレネルレンズ或は
    ミラーに接合した事を特徴とする赤外線帯域用集
    光具。
JP15291787U 1987-10-05 1987-10-05 Pending JPH0157701U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15291787U JPH0157701U (ja) 1987-10-05 1987-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15291787U JPH0157701U (ja) 1987-10-05 1987-10-05

Publications (1)

Publication Number Publication Date
JPH0157701U true JPH0157701U (ja) 1989-04-11

Family

ID=31428280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15291787U Pending JPH0157701U (ja) 1987-10-05 1987-10-05

Country Status (1)

Country Link
JP (1) JPH0157701U (ja)

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