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  • Steinheil-Mounted-Negative-Achromatic-Lenses-1

Steinheil Cemented
Achromatic Triplets

Sebaka seo mahlaseli a khanya a fetang bohareng ba lense a kopanang ho sona se fapana hanyane ho tloha moo mahlaseli a khanya a fetang mathōkong a lense a kopanang teng, sena se bitsoa spherical aberration; ha mahlaseli a khanya a feta ka lense ea convex, ntlha e shebaneng le khanya e khubelu e nang le leqhubu le lelelele le hole ho feta ntlha e shebaneng le leseli le leputsoa le nang le bolelele bo bokhutšoane ba maqhubu, ka lebaka leo mebala e bonahala e tsoa mali, sena se bitsoa chromatic aberration. Kaha tataiso eo ho eona ho tsoelipaneng ka selika-likoe ka har'a lense ea kholumo ho fapana le lense ea khoho, mahlaseli a khanya a ka kopana ho fihla ntlheng e le 'ngoe, sena se bitsoa aberration correction. Lilense tsa Achromatic li nepahetse bakeng sa liphapang tsa chromatic le spherical. Li-achromat tsa rona tse tloaelehileng le tse tloaelehileng li entsoe le ho etsoa ho khotsofatsa mamello e thata ka ho fetisisa e hlokahalang tsamaisong ea kajeno ea ts'ebetso e phahameng ea laser, electro-optical and imaging.

Li-achromatic triplets li na le karolo e bohareng ea moqhaka oa index e tlase e samenteng lipakeng tsa likarolo tse peli tse ts'oanang tsa lejoe le phahameng la bokantle. Li-triplets tsena li khona ho lokisa li-axial le tsa morao-rao tsa chromatic aberration, 'me moralo oa bona oa symmetric o fana ka ts'ebetso e ntlafetseng e amanang le li-doublet tse entsoeng ka samente. Li-triplets tsa Steinheil li etselitsoe ka ho khetheha bakeng sa 1: 1 conjugation, li sebetsa hantle bakeng sa li-conjugate ratios ho fihlela ho 5. Lilense tsena li etsa li-optics tse ntle tsa relay bakeng sa ts'ebeliso ea ka bobeli le ea off-axis 'me hangata li sebelisoa e le lisebelisoa tsa mahlo.

Paralight Optics e fana ka li-triplets tsa Steinheil achromatic tse nang le MgF2 single layer anti-reflective coatings bakeng sa 400-700 nm wavelength range maemong a mabeli a kantle, ka kopo sheba kerafo e latelang bakeng sa litšupiso tsa hau. Moralo oa rona oa lense o ntlafalitsoe ka komporo ho netefatsa hore liphapang tsa chromatic le spherical li fokotsoa ka nako e le 'ngoe. Lilense li loketse ho sebelisoa lits'ebetsong tsa litšoantšo tse nang le liqeto tse phahameng haholo le ts'ebeliso efe kapa efe moo ho feto-fetoha ha khromatic le chromatic ho tlamehang ho fokotsoa.

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Likaroloana:

AR Coating:

1/4 wave MgF2 @ 550nm

Melemo:

E Loketse bakeng sa Matšeliso a Liphetoho tsa Lateral le Axial Chromatic

Ts'ebetso ea Optical:

Ts'ebetso e ntle ea On-Axis le Off-Axis

Lisebelisoa:

E fetiselitsoe ho Finite Conjugate Ratio

letšoao-tšobotsi

Litlhaloso Tse Tloaelehileng:

pro-related-ico

Reference Drawing bakeng sa

Steinheil e sa thekeseleng Triplets Achromatic Lens

f: Bolelele ba Tsepamiso
WD: Sebaka sa ho sebetsa
R: Radius ea Curvature
tc: Botenya ba Bohareng
te: Botenya ba moeli
H”: Sefofane se ka Morao

Tlhokomeliso: Bolelele ba ho tsepamisa maikutlo bo lekantsoe ho tloha sefofaneng se ka morao, se sa lumellaneng le sefofane sefe kapa sefe sa 'mele ka har'a lense.

 

Mekhahlelo

Ranges & Tolerances

  • Substrate Material

    Mefuta ea Khalase ea Crown le Flint

  • Mofuta

    Steinheil achromatic triplet

  • Diameter ea lense

    6 - 25 limilimithara

  • Mamello ea Diameter ea Lense

    +0.00/-0.10 limilimithara

  • Mamello ea Botenya ba Setsi

    +/- 0.2 limilimithara

  • Mamello ea Bolelele ba Tsepamiso

    +/- 2%

  • Boleng ba Bokaholimo (scratch-che)

    60-40

  • Irregularity ea holim'a metsi (Peak to Valley)

    λ/2 ho 633 nm

  • Setsi

    Libeke tse 3-5

  • Aperture e Hlakileng

    ≥ 90% ea Diameter

  • AR Coating

    1/4 wave MgF2@550nm

  • Moqapi oa Wavelengths

    587.6 nm

litšoantšo-img

Kerafo

Kerafo ena ea theory e bonts'a ponahatso ea liperesente tsa coating ea AR e le ts'ebetso ea wavelength (e ntlafalitsoeng bakeng sa 400 - 700 nm) bakeng sa litšupiso.
♦ Reflectance Curve ea Achromatic Triplet VIS AR Coating

Lihlahisoa tse Amanang

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