• DCV-anya anya-CaF2-1

Calcium fluoride (CaF2)
Lensị Bi-Concave

Bi-concave ma ọ bụ Double-concave (DCV) lenses bụ ihe na-adịghị mma lenses nke dị oke na nsọtụ karịa n'etiti, mgbe ọkụ na-agafe na ha, ọ na-atụgharị na ebe a na-elekwasị anya bụ mebere. Igwe anya Bi-Concave nwere nha nha nha nke curvature n'akụkụ abụọ nke sistemu ngwa anya, ogologo ha hiwere isi adịghị mma, yana radius nke curvature nke akụkụ ndị gbara agba. Ogologo ebe mgbaba na-adịghị mma na-eme ka ọkụ mberede gbakọtara na-agbanwe, a na-ejikarị ya mee ka ọ dị iche n'ìhè na-agbanwe agbanwe. N'ihi njiri mara ha, a na-ejikarị lenses bi-concave gbasaa ọkụ n'ụdị beam nke ụdị Galilean ma ọ bụ mee ka ogologo oghere oghere dị irè dị elu site na iji ụzọ abụọ na sistemu dị ugbu a dị ka usoro ntule ọkụ. Ha na-abakwa uru ma a bịa na mbelata onyonyo. N'ime sistemụ anya, ọ na-abụkarị iji nlezianya họrọ ngwa anya ha ka nhụsianya nke anya anya anya dị mma na nke na-adịghị mma webatara dị ka ịkagbu. A na-ejikarị lenses ndị a na-adịghị mma na teliskop, igwefoto, lasers ma ọ bụ ugegbe iji nyere aka na-ebuwanye ibu usoro.

lenses bi-concave (ma ọ bụ lenses abụọ concave) bụ nhọrọ kacha mma mgbe ihe na onyonyo nọ na oke conjugate zuru oke (ebe dị anya nke kewara site na ihe onyonyo) nso 1: 1 nwere oghere ntinye na-atụgharị, dị ka ọ dị na bi-convex. lenses. A na-eji ha maka ịmegharị onyonyo (ihe mebere na onyonyo) ngwa. Mgbe ihe nkwalite zuru oke achọrọ ma ọ bụ ihe na-erughị 0.2 ma ọ bụ karịa 5, lenses plano-concave na-adịkarị mma.

N'ihi mgbasa ya dị elu site na 0.18 µm ruo 8.0 μm, Calcium fluoride na-egosiputa akara ngosi dị ala dị iche iche site na 1.35 ruo 1.51 ma na-ejikarị ya eme ihe maka ngwa na-achọ nnukwu nnyefe na infrared na ultraviolet spectral ranges, ọ nwere ntugharị refractive nke 1.428 na 1.428. µm. CaF2 bụkwa ihe na-adịghị ahụkebe nke kemịkalụ ma na-enye ike dị elu ma e jiri ya tụnyere barium fluoride ya na ndị ikwu magnesium fluoride. Ọnụ ụzọ mmebi laser dị oke elu na-eme ka ọ baa uru maka iji laser excimer. Paralight Optics na-enye lenses bi-concave nwere mkpuchi mgbochi maka ma ọ bụ 3 ruo 5 µm nso ogologo ikuku. Ihe mkpuchi a na-ebelata nke ọma nkezi ngosipụta nke mkpụrụ ihe na-erughị 2.0%, na-enyefe nnyefe dị elu karịa 96% n'ofe mkpuchi AR dum. Lelee eserese ndị a maka ntụnyere aka gị.

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Atụmatụ:

Ihe:

Calcium Fluoride (CaF2)

Dị:

Ekpuchighị ma ọ bụ jiri mkpuchi mkpuchi nchegharị

Ogologo n'uche:

Dị site na -15 ruo -50 mm

Ngwa:

Kwesịrị ekwesị maka ojiji na ngwa Laser Excimer, na Spectroscopy na Cooled Thermal Imaging

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Nkọwapụtakarị:

pro metụtara-ico

Ntụaka maka

Igwe oghere abụọ-Concave (DCV)

f: Ogologo Focal
fb: Ogologo Focal Back
ff: Ogologo focal n'ihu
R: Radius nke curvature
tc: Ọkpụrụkpụ etiti
te: Oke ọkpụrụkpụ
H”: Ụgbọ elu isi azụ

Rịba ama: A na-ekpebi ogologo ebe a na-ahụ anya site na ụgbọ elu nke azụ, nke na-ejighị n'ahịrị n'ahịrị n'ahịrị.

Oke

Oke & ndidi

  • Ihe eji eme ihe

    Calcium Fluoride (CaF2)

  • Ụdị

    Igwe oghere abụọ-Concave (DCV)

  • Index nke ntụgharị uche

    1.428 @ Nd: Yag 1.064 μm

  • Nọmba Abbe (Vd)

    95.31

  • Ọnụ ego Mgbasawanye okpomọkụ (CTE)

    18.85 x 10-6/ ℃

  • Nkwadebe dayameta

    Nkenkenke: +0.00/-0.10mm | Elu nkenke: +0.00/-0.03 mm

  • Ọkpụrụkpụ ndidi

    Nkenkenke: +/-0.10 mm | Elu nkenke: +/-0.03 mm

  • Nkwenye Ogologo Focal

    +/- 2%

  • Ogo elu (scratch-dig)

    Nkenkenke: 80-50 | Elu nke ọma: 60-40

  • Ike dị n'elu ala

    3 λ/2

  • Ọdịghị mma nke elu (Olu ruo Ndagwurugwu)

    λ/2

  • Center

    Nkenkenke:<3 arcmin | Elu nke ọma: <1 arcmin

  • Kpochapụ oghere

    90% nke dayameta

  • Oke mkpuchi AR

    3-5 μm

  • Mbufe gafere oke mkpuchi (@ 0° AOI)

    Tavg> 95%

  • Ntụgharị uche n'elu oke mkpuchi mkpuchi (@ 0° AOI)

    Ravg<2.0%

  • Chepụta ogologo ogologo

    588 nm

eserese-img

Eserese

♦ Ntufe nnyefe nke mkpụrụ CaF2 enweghị mkpuchi: nnyefe dị elu site na 0.18 ruo 8.0 μm
♦ Usoro nnyefe nke oghere CaF2 mkpuchi AR: Tavg> 95% karịa oke 3 - 5 μm
♦ Usoro nnyefe nke oghere CaF2 nwere mkpuchi AR: Tavg> 95% karịa oke 2 - 5 μm

ngwaahịa-akara-img

Usoro nnyefe nke mkpuchi AR (3 µm - 5 μm) oghere CaF2

ngwaahịa-akara-img

Usoro nnyefe nke AR nwere mkpuchi (2 µm - 5 μm) oghere CaF2

Ngwaahịa ndị emetụtara

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