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  • I-DCV-Lens-CaF2-1

I-Calcium Fluoride (CaF2)
I-Bi-Concave Lens

Amalensi e-Bi-concave noma e-Double-concave (DCV) angamalensi anegethivu ajiyile emaphethelweni kunamaphakathi, lapho ukukhanya kudlula kuwo, ayahluka futhi indawo okugxilwe kuyo ingokoqobo.Amalensi e-Bi-Concave ane-radius elinganayo yokugoba ezinhlangothini zombili zesistimu yokubona, ubude bawo bokugxila abulungile, kanye nerediya yokugoba kwezindawo ezigobile.Ubude bokugxila obunegegethivu bubangela ukukhanya kwesigameko okushayisanayo ukuthi kwehluke, kuvame ukusetshenziselwa ukuphambukisa umsebe oguquguqukayo.Ngenxa yezici zawo, amalensi e-bi-concave ngokuvamile asetshenziselwa ukwandisa ukukhanya kuzinwebisi zohlobo lwe-Galilean noma ukukhulisa ubude bokugxila obusebenzayo belensi eguqukayo ngokusebenzisa ngamabili kumasistimu akhona njengamasistimu okukhanya okukhanyayo.Zibuye zibe usizo uma kuziwa ekunciphiseni izithombe.Kumasistimu okubona, kuvamile ukukhetha okokubonwa kwawo ngokucophelela ukuze ukuphambuka okwethulwe amalensi obude obuphozithivu kanye nenegethivu-okugxilwe kuyo kucishe kukhansele.Lawa ma-lens anegethivu avame ukusetshenziswa kuma-telescopes, amakhamera, ama-laser noma ezingilazini ukuze asize amasistimu okukhulisa ahlangane kakhudlwana.

Amalensi e-Bi-concave (noma amalensi ane-double-concave) ayinketho engcono kakhulu uma into nesithombe kukuzilinganiso eziphelele ze-conjugate (ibanga lento elihlukaniswe ngokuhlukana kwesithombe) eduze no-1:1 ngemishayo yokufaka eguqukayo, njengoba kwenzeka nge-bi-convex. amalensi.Asetshenziselwa izinhlelo zokusebenza zokudlala izithombe (into ebonakalayo nesithombe).Uma ukukhuliswa okuphelele okufunayo kungaphansi kuka-0.2 noma kukhulu kuno-5, amalensi e-plano-concave ngokuvamile afaneleka kakhulu.

Ngenxa yokudluliswa kwayo okuphezulu ukusuka ku-0.18 µm kuya ku-8.0 μm, i-Calcium fluoride ibonisa inkomba ephansi ye-refractive ehluka ukusuka ku-1.35 ukuya ku-1.51 futhi ijwayele ukusetshenziselwa izinhlelo zokusebenza ezidinga ukudluliswa okuphezulu kububanzi be-infrared kanye ne-ultraviolet spectral, inenkomba ye-refractive engu-1.428 ku-1.428 µm.I-CaF2 nayo ayisebenzi ngamakhemikhali futhi inikeza ubulukhuni obuphakeme uma iqhathaniswa ne-barium fluoride yayo, kanye nabazala bayo be-magnesium fluoride.Umkhawulo wayo ophakeme kakhulu we-laser wenza kube usizo ukusetshenziswa nama-laser e-excimer.I-Paralight Optics inikezela ngamalensi e-Calcium Fluoride (CaF2) Bi-concave anama-antireflection angaba ngu-3 kuya ku-5 µm ububanzi be-wavelength.Lokhu kunamathela kunciphisa kakhulu ukubukeka okumaphakathi kwe-substrate engaphansi kuka-2.0%, kuveza ukudluliswa kwesilinganiso esiphezulu okukhulu kuno-96% kulo lonke uhla lwe-AR lwenamathela.Hlola amagrafu alandelayo ukuze uthole izithenjwa zakho.

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Izici:

Okubalulekile:

I-Calcium Fluoride (CaF2)

Iyatholakala:

Engagqotshiwe noma ene-Antireflection Coatings

Ubude bokugxila:

Itholakala kusuka -15 kuya -50 mm

Izicelo:

Ilungele ukusetshenziswa kuzicelo ze-Excimer Laser, ku-Spectroscopy kanye ne-Cooled Thermal Imaging

isithonjana-isici

Imininingwane Ejwayelekile:

pro-ehlobene-ico

Umdwebo Wezithenjwa we

Ilensi ye-Double-Concave (DCV)

f: Ubude bokugxila
fb: Ubude beFocal Emuva
ff: Ubude Bendawo Ephambili
R: I-Radius of Curvature
tc: Ubukhulu obuphakathi
te: Ukujiya komphetho
H”: Emuva Indiza Eyinhloko

Qaphela: Ubude bokugxila bunqunywa kusukela endizeni eyinhloko engemuva, engahambelani nogqinsi lomkhawulo.

Amapharamitha

Amabanga & Ukubekezelelana

  • I-Substrate Material

    I-Calcium Fluoride (CaF2)

  • Uhlobo

    Ilensi ye-Double-Concave (DCV)

  • Inkomba ye-Refraction

    1.428 @ Nd:Yag 1.064 μm

  • Inombolo ye-Abbe (Vd)

    95.31

  • I-Thermal Expansion Coefficient (CTE)

    18.85 x 10-6/℃

  • Ukubekezelela Ububanzi

    Ukunemba: +0.00/-0.10mm |Ukunemba Okuphezulu: +0.00/-0.03 mm

  • Ukujiya Ukubekezelelana

    Ukunemba: +/-0.10 mm |I-Precison Ephakeme: +/-0.03 mm

  • Ukubekezelela Ubude obugxile

    +/-2%

  • Ikhwalithi Yobuso (i-scratch-dig)

    Isilinganiso: 80-50 |I-Precison ephezulu: 60-40

  • Amandla Obuso Obuyindilinga

    3 l/2

  • I-Surface Irregularity (Peak to Valley)

    λ/2

  • Isikhungo

    I-Precison:<3 arcmin |I-High Precison: <1 arcmin

  • Imbobo ecacile

    90% we-Diameter

  • I-AR Coating Range

    3 - 5 μm

  • Ukudluliswa kwe-Coating Range (@ 0° AOI)

    I-Tavg > 95%

  • Ukubukeka phezu kobubanzi bokuhlanganisa (@ 0° AOI)

    I-Ravg< 2.0%

  • Design Wavelength

    awu 588nm

amagrafu-img

Amagrafu

♦ Ijika lokudlulisela le-substrate ye-CaF2 engagcotshiwe: ukudluliswa okuphezulu kusuka ku-0.18 kuya ku-8.0 μm
♦ Ijika lokudlulisela le-AR-coated CaF2 Lens: Tavg > 95% phezu kobubanzi obungu-3 - 5 μm
♦ Ijika lokudlulisela lelensi ye-CaF2 ehlanganiswe ne-AR ethuthukisiwe: Tavg > 95% phezu kobubanzi obungu-2 - 5 μm

umkhiqizo-line-img

Ijika Lokudlulisela le-AR-coated (3 µm - 5 μm) CaF2 Lens

umkhiqizo-line-img

Ijika Lokudlulisa Le-AR-coated Ethuthukisiwe (2 µm - 5 μm) Ilensi ye-CaF2

Imikhiqizo Ehlobene

Chofoza u-enter ukuze useshe noma u-ESC ukuze uvale