Brewster Windows ntle le tahlehelo ea Reflection ea P-Polarization

Brewster Windows ke li-substrates tse sa koaeloang tse ka sebelisoang letotong e le li-polarizers, kapa ho hloekisa boriti bo sa tsoakoang.Ha e behiloe ho Brewster's Angle, karolo ea P-polarized ea lebone e kena le ho tsoa ka fensetere ntle le tahlehelo ea ponahalo, ha karolo ea S-polarized e bonahala hanyenyane.The 20-10 scratch-dig surface quality le λ/10 transmitted wavefront error of our Brewster lifensetere li ba etsa khetho e nepahetseng bakeng sa li-cavities tsa laser.

Lifensetere tsa Brewster hangata li sebelisoa e le li-polarizer ka har'a likoti tsa laser.Ha e behiloe ka lehlakoreng la Brewster (55 ° 32′ ho 633 nm), karolo ea P-polarized ea leseli e tla feta fensetereng e se na tahlehelo, ha karoloana ea karolo ea S-polarized e tla bontšoa fensetereng ea Brewster.Ha e sebelisoa lehare la laser, fensetere ea Brewster e sebetsa e le polarizer.
Sebaka sa Brewster se fanoa ke
tan(θ_B) = n_t/n_i
θ_Bke angle ea Brewster
n_ike index of refraction of the incident medium, e leng 1.0003 bakeng sa moea
n_tke index of refraction ea transmitting medium, e leng 1.45701 bakeng sa silica e kopantsoeng ho 633 nm.

Paralight Optics e fana ka lifensetere tsa Brewster li entsoe ho tloha ho N-BK7 (Grade A) kapa silika e kopantsoeng ea UV, e bonts'ang hoo e batlang e se na laser-induced fluorescence (e lekantsoeng ho 193 nm), e etsa hore e be khetho e nepahetseng bakeng sa lits'ebetso ho tloha ho UV ho ea haufi le IR. .Ka kopo, sheba Kerafo e latelang e bonts'ang ponahalo ea S- le P-polarization ka silika e kopaneng ea UV ho 633 nm bakeng sa litšupiso tsa hau.

Likaroloana:

Boitsebiso:

N-BK7 kapa UV e Fused Silika Substrate

Teko ea Koloi ea Tšenyo ea Laser:

Boemo ba Tšenyo e Phahameng (E sa Koaheloa)

Lits'ebetso tsa Optical:

Zero Reflection tahlehelo bakeng sa P-Polarization, 20% Reflection bakeng sa S-Polarization

Lisebelisoa:

E loketse bakeng sa Laser Cavities

Litlhaloso Tse Tloaelehileng:

pro-related-ico — Reference Drawing bakeng sa

Fesetere ea Brewster

Setšoantšo sa litšupiso se ka letsohong le letšehali se bontša khanya ea S-polarized light le phetiso ea lebone la P-polarized ka fensetere ea Brewster.Leseli le leng la S-polarized le tla fetisoa ka fensetere.

Mekhahlelo

Ranges & Tolerances

Substrate Material

N-BK7 (Kereiti ea A), silika e kopantsoeng ea UV
Mofuta

Fesetere ea Laser e bataletseng kapa e koetsoeng (ho pota, lisekoere, joalo-joalo)
Boholo

E etselitsoe uena
Mamello ea Boholo

Tloaelehileng: +0.00/-0.20mm |Ho nepahala: +0.00/-0.10mm
Botenya

E etselitsoe uena
Botenya Mamello

E tloaelehileng: +/-0.20mm |Ho nepahala: +/-0.10mm
Aperture e Hlakileng

90%
Ho bapisa

Ho nepahala: ≤10 arcsec |Ho nepahala ho Phahameng: ≤5 arcsec
Boleng ba Bokaholimo (Mongoa - Cheka)

Ho nepahala: 60 - 40 |Ho nepahala ho Phahameng: 20-10
Bophahamo ba Bokaholimo @ 633 nm

Ho nepahala: ≤ λ/10 |Ho nepahala ho phahameng: ≤ λ/20
Phoso e Fetisitsoeng ea Wavefront

≤ λ/10 @ 632.8 nm
Chamfer

Sireletsoa:<0.5mm x 45°
Ho roala

A sa koaheloa
Mekhahlelo ea Wavelength

185 - 2100 nm
Sekhahla sa Tšenyo ea Laser

>20 J/cm²(20ns, 20Hz, @1064nm)