English
  • CaF2-DCX-(1)

Calcium fluoride (CaF2)
Awọn lẹnsi Bi-Convex

Mejeeji roboto ti Bi-convex tabi Double-convex (DCX) Awọn lẹnsi iyipo jẹ iyipo ati ni awọn rediosi rere kanna ti ìsépo, wọn jẹ awọn lẹnsi rere ti o nipon ni aarin ju ni eti.Nigbati awọn itankalẹ collimated ba kọja nipasẹ wọn, ina converges si aaye idojukọ ti ara.Bi-convex jẹ olokiki fun ọpọlọpọ awọn ohun elo aworan ipari ni awọn ipo nibiti nkan ati aworan wa ni awọn ẹgbẹ idakeji, wọn ṣe apẹrẹ lati ni ipari focal ti f= (R1*R2)/((n-1)*(R2-R1) )).

Awọn lẹnsi bi-convex (tabi awọn lẹnsi convex-meji) ṣe dara julọ nigbati ohun naa ba sunmọ lẹnsi ati pe ipin conjugate jẹ kekere.Nigbati ohun ati ijinna aworan ba dọgba (1: 1 magnification), kii ṣe aberration ti iyipo nikan ni a dinku, ṣugbọn ipalọlọ tun, ati aberration chromatic ti paarẹ nitori isamisi.Nitorinaa wọn jẹ awọn yiyan ti o dara julọ nigbati ohun ati aworan ba wa ni awọn ipin conjugate pipe ti o sunmọ 1:1 pẹlu awọn ina igbewọle iyatọ.Gẹgẹbi ofin atanpako, awọn lẹnsi bi-convex ṣe daradara laarin aberration ti o kere ju ni awọn ipin conjugate laarin 5: 1 ati 1: 5, wọn lo fun awọn ohun elo aworan yiyi (Ohun gidi ati Aworan).Ni ita ibiti o wa, awọn lẹnsi plano-convex nigbagbogbo dara julọ.

Nitori gbigbe giga rẹ lati 0.18 µm si 8.0 μm, CaF2 ṣe afihan atọka itọka kekere ti o yatọ lati 1.35 si 1.51 ati pe a lo nigbagbogbo fun awọn ohun elo ti o nilo gbigbe giga ni infurarẹẹdi ati awọn sakani iwoye ultraviolet.Fluoride kalisiomu tun jẹ aiṣedeede kemikali ati pe o funni ni lile ti o ga julọ ni akawe si barium fluoride rẹ, ati awọn ibatan fluoride magnẹsia.Paralight Optics nfunni ni Calcium Fluoride (CaF2) Awọn lẹnsi Bi-Convex ti o wa pẹlu gbohungbohun AR iṣapeye fun iwọn iwoye 2 µm si 5 μm ti o wa ni ipamọ lori awọn aaye mejeeji.Ibora yii dinku iwọn ifarabalẹ apapọ ti sobusitireti kere ju 1.25%, ti nso gbigbe ni apapọ ju 95% lori gbogbo sakani AR ti a bo.Ṣayẹwo awọn aworan atẹle fun awọn itọkasi rẹ.

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Awọn ẹya:

Ohun elo:

Calcium fluoride (CaF2)

Wa:

Uncoated tabi pẹlu Antireflection Coatings

Awọn Gigun Idojukọ:

Wa lati 15 to 200 mm

Awọn ohun elo:

Apẹrẹ fun Lilo pẹlu Excimer lesa

aami-ẹya

Awọn alaye ti o wọpọ:

pro-jẹmọ-ico

Reference Yiya fun

Lẹnsi meji-convex (DCX).

Dia: Opin
f: Ifojusi Gigun
ff: Iwaju Ipari Iwaju
fb: Pada Ipari Idojukọ
R: Radius ti ìsépo
tc: Sisanra aarin
te: Sisanra eti
H”: Pada Principal ofurufu

Akiyesi: Ifojusi ipari jẹ ipinnu lati ẹhin ọkọ ofurufu akọkọ, eyiti ko ṣe laini laini pẹlu sisanra eti.

Awọn paramita

Awọn sakani & Awọn ifarada

  • Ohun elo sobusitireti

    Calcium fluoride (CaF2)

  • Iru

    Double-Convex (DCX) lẹnsi

  • Atọka ti Refraction (nd)

    1.434 @ Nd: Yag 1.064 μm

  • Nọmba Abbe (Vd)

    95.31

  • Olùsọdipúpọ̀ Ìmúgbòòrò gbóná (CTE)

    18.85 x 10-6/℃

  • Ifarada Opin

    Itọkasi: + 0.00 / - 0.10mm |Ga konge: +0.00/-0.03 mm

  • Ifarada Sisanra

    Konge: +/- 0.10 mm |Ga konge: +/-0.03 mm

  • Ifarada Ipari Idojukọ

    +/- 0.1%

  • Didara oju (scratch-dig)

    konge: 80-50 |Ga konge: 60-40

  • Ti iyipo dada Power

    3 λ/4

  • Aiṣedeede Dada (Ti o ga si afonifoji)

    λ/4

  • Ile-iṣẹ

    Itọkasi:<3 arcmin |Precison giga: <1 arcmin

  • Ko Iho

    90% ti Opin

  • AR aso Ibiti

    2-5 μm

  • Iṣaro lori Ibiti Ibo (@ 0° AOI)

    Ravg<1.25%

  • Gbigbe lori Ibiti Ibo (@ 0° AOI)

    Tavg> 95%

  • Design wefulenti

    588 nm

  • Alabajẹ Lesa

    > 5 J/cm2(100 ns, 1 Hz, @10.6μm)

awonya-img

Awọn aworan

♦ Iwọn gbigbe ti 10 mm nipọn, sobusitireti CaF2 ti a ko bo: gbigbe giga lati 0.18 µm si 8 μm
♦ Iyipada gbigbe ti imudara AR-ti a bo CaF2: Tavg> 95% lori iwọn 2 µm - 5 μm

ọja-ila-img

Gbigbe Gbigbe ti Imudara AR-Ti a bo (2 µm - 5 μm) Calcium Fluoride

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