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Shaandhaynta Cufnaanta Dhexdhexaadka ah ee Nuqsa/Milicsi

Cufnaanta indhaha (OD) waxay tusinaysaa cunsur-yarida ay bixiso shaandhada indhaha, ie inta ay yarayso awoodda indhaha ee iftiinka dhacdada. OD waxay la xiriirtaa gudbinta. Doorashada shaandhada ND oo leh cufnaanta indhaha sare waxay tarjumi doontaa gudbinta hoose iyo nuugista iftiinka dhacdada. Si loo gudbiyo gudbinta sare iyo nuugista yar, cufnaanta hoose ee indhaha ayaa ku habboonaan lahayd. Tusaale ahaan, haddii filtar leh OD ah 2 ay keento qiimaha gudbinta ee 0.01, tani waxay la macno tahay shaandheynta ayaa ka dhigaysa iftiinka ilaa 1% awoodda dhacdada. Asal ahaan waxaa jira laba nooc oo ah filtarrada ND: filtarrada cufnaanta dhexdhexaadka ah ee nuugista, filtarrada cufnaanta dhexdhexaadka ah.

filtarradayada cufnaanta dhexdhexaadka ah (ND) filtarrada ayaa lagu heli karaa cabbirro kala duwan oo leh cufnaanta indhaha (OD) oo u dhexeeya 0.1 ilaa 8.0. Si ka duwan milicsigooda, macdanaha dhigooda ah, shaandhaynta ND kasta waxaa laga sameeyay substrate of Schott galaas oo loo xushay isugeynteeda nuugista fidsan ee gobolka muuqata laga bilaabo 400 nm ilaa 650 nm.

Shaandhada cufnaanta dhexdhexaadka ah ee milicsiga leh ayaa lagu heli karaa N-BK7 (CDGM H-K9L), UV Fused Silica (JGS 1), ama Substrate Zinc Selenide oo leh noocyo kala duwan oo muuqaal ah. filtarrada N-BK7 (CDGM H-K9L) waxay ka kooban yihiin substrate dhalada N-BK7 oo leh daahan macdan ah (Inconel) oo lagu kaydiyay hal dhinac, Inconel waa daawaha macdan ah oo hubiya jawaabta fidsan ee UV ilaa IR u dhow; Shaandhooyinka silica ee isku dhafan ee UV waxay ka kooban yihiin substrate UVFS oo leh daahan nikkel ah oo lagu kaydiyay hal dhinac, kaas oo bixiya jawaab celin siman; Shaandhooyinka cufnaanta dhexdhexaadka ah ee ZnSe waxay ka kooban yihiin substrate-ka ZnSe (cufnaanta indhaha oo u dhexeeya 0.3 ilaa 3.0) oo leh daahan nikkel ah oo dhinac ah, taas oo u horseedaysa jawaab-celin fidsan oo dhererkeedu yahay 2 ilaa 16 µm cabbirka hirarka dhererka, fadlan eeg garaafka soo socda tixraacyadaada.

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Astaamaha:

Cufnaanta indhaha:

Socota ama Tallaabada ND

Ikhtiyaarada nuugista iyo Milicsiga:

Labada Nooc ee ND (cufnaanta Dhexdhexaadka ah) filtarrada ayaa la heli karaa

Xulashada Qaabka:

Wareeg ama labajibbaaran

Xulashada Nooca:

Raritaanka ama Ku rakiban waa la heli karaa

astaanta-sifada

Tilmaamaha Guud:

pro-xiriirka-ico

Halbeegyada

Heerarka & Dulqaadyada

  • Qalabka Substrate-ka

    Nuugista: Schott (Nuqsaari) Muraayad / Milicsi: CDGM H-K9L ama kuwa kale

  • Nooca

    Shaandheeyaha Cufnaanta Dhexdhexaadka ah ee Nuqsa/Milicsi

  • Dulqaadka cabbirka

    +0.0/-0.2mm

  • Dhumucda

    ± 0.2 mm

  • Fiican

    <2λ @ 632.8 nm

  • Isbarbar yaac

    < 5 arcmin

  • Chamfer

    Ilaalinta<0.5 mm x 45°

  • Dulqaadka OD

    OD ± 10% @ mowjadda dhererka naqshadeynta

  • Tayada dusha sare (xoq-qodo)

    80 - 50

  • Nadiifi Aperture

    > 90%

  • Dahaarka

    Nuugista: AR dahaarka leh / Milicsi: Daahan bir ah oo milicsada

garaafyada-img

Garaafyada

Qalooca Gudbinta ee filtarrada cufnaanta dhexdhexaadka ah ee infrared leh cufnaanta indhaha ee u dhaxaysa 0.3 ilaa 3.0 (qallooca buluuga ah: ND 0.3, qalooca cagaaran: 1.0, qalooca oranji: ND 2.0, qalooca cas: ND 3.0), filtarradani waxay ka kooban yihiin substrate ZnSe oo leh nikkel dahaarka hal dhinac ka sarreeya 2 ilaa 16 µm dhererka hirarka. Si aad u hesho macluumaad faahfaahsan oo ku saabsan noocyada kale ee filtarrada ND, fadlan nala soo xiriir.

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