Brewster Windows ngaphandle kweReflection ilahleko yeP-Polarization
Iifestile zeBrewster zidla ngokusetyenziswa njengezinto zokuphola ngaphakathi kwimingxuma yelaser.Xa ibekwe kwi-angle ye-Brewster (55 ° 32′ kwi-633 nm), inxalenye ye-P-polarized yokukhanya iya kudlula kwifestile ngaphandle kwelahleko, ngelixa i-fraction ye-S-polarized section iya kubonakaliswa kwifestile yeBrewster.Xa isetyenziswe kwindawo yelaser, ifestile yeBrewster isebenza njengepolarizer.
I-angle kaBrewster inikwe ngu
tan(θB) = nt/ni
θByi-engile kaBrewster
niIsalathiso sokuphinda siphindeke sesiganeko esiphakathi, esiyi-1.0003 emoyeni
ntIsalathiso sokuphindaphinda kwendlela yokudlulisa, eyi-1.45701 ye-silica edibeneyo kwi-633 nm.
IParalight Optics ibonelela ngeefestile zeBrewster zenziwe nge-N-BK7 (iBanga A) okanye i-silica edityanisiweyo ye-UV, ebonisa ukuba akukho fluorescence eyenziwe ngelaser (njengoko ilinganiswe kwi-193 nm), iyenza ibe lolona khetho lufanelekileyo kwizicelo ezisuka kwi-UV ukuya kwi-IR ekufutshane. .Nceda ujonge le Grafu ilandelayo ebonisa imbonakalo yazo zombini i-S- kunye ne-P-polarization nge-silica edityanisiweyo ye-UV kwi-633 nm yeembekiselo zakho.
Iimbonakalo:
Izinto:
I-N-BK7 okanye i-UV Fused Silica Substrate
Uvavanyo lobungakanani bomonakalo weLaser:
Umda womonakalo ophezulu (ongagqutywanga)
ImiSebenzi yokubona:
I-Zero Reflection loss for P-Polarization, 20% Reflection for S-Polarization
Usetyenziso:
Ilungele iLaser Cavities
Iingcaciso eziqhelekileyo:
Umzobo weReferensi ye
Brewster Window
Umzobo wereferensi ngakwesobunxele ubonisa ukubonakaliswa kokukhanya kwe-S-polarized kunye nokuhanjiswa kokukhanya kwe-P-polarized ngefestile yeBrewster.Okunye ukukhanya kwe-S kuya kuhanjiswa ngefestile.
Iiparamitha
Uluhlu kunye noNyamezelo
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I-Substrate Material
I-N-BK7 (iBanga A), i-silica edibeneyo ye-UV
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Uhlobo
Ifestile yeLaser eFlethi okanye eWedge (engqukuva, isikwere, njl.njl.)
-
Ubungakanani
Yenzele okuthile
-
Ukunyamezelwa kobungakanani
Isiqhelo: +0.00/-0.20mm |Ukuchaneka: +0.00/-0.10mm
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Ukutyeba
Yenzele okuthile
-
Ukutyeba Ukunyamezela
Isiqhelo: +/-0.20mm |Ukuchaneka: +/-0.10mm
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Umngxuma ocacileyo
> 90%
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Ukufana
Ukuchaneka: ≤10 arcsec |Ukuchaneka okuphezulu: ≤5 arcsec
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Umgangatho womphezulu (Ukukrwempa-Dig)
Ukuchaneka: 60 - 40 |Ukuchaneka okuphezulu: 20-10
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Umphezulu oMcaba @ 633 nm
Ukuchaneka: ≤ λ/10 |Ukuchaneka okuphezulu: ≤ λ/20
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Imposiso egqithisiweyo yeWavefront
≤ λ/10 @ 632.8 nm
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Chamfer
Ikhuselwe:<0.5mm x 45°
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Ukwaleka
Ingagqunywanga
-
Uluhlu lweWavelength
185 - 2100 nm
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Laser Umonakalo Threshold
> 20 J/cm2(20ns, 20Hz, @1064nm)
Iigrafu
♦ Igrafu esekunene ibonisa imbonakaliso ebalwayo yesilica edityanisiweyo ye-UV yokukhanya okumhlophe kwii-engile ezahlukeneyo zezehlo (Isibonisi sokukhanya kwe-P-polarized siya ku-zero kwi-engile ye-Brewster).
♦ Isalathiso se-refraction ye-silica edibeneyo ye-UV iyahluka kunye nobude be-wavelength eboniswe kwigrafu elandelayo yesandla sasekhohlo (isalathisi esibaliweyo se-refraction ye-silica edibeneyo ye-UV njengomsebenzi we-wavelength ukusuka kwi-200 nm ukuya kwi-2.2 μm).
♦ Le grafu ilandelayo ngasekunene ibonisa ixabiso elibaliweyo lika-θB (i-angle ye-Brewster) njengomsebenzi we-wavelength ukusuka kwi-200 nm ukuya kwi-2.2 μm xa ukukhanya kudlula emoyeni ukuya kwi-silica edibeneyo ye-UV.
Isalathiso se-refraction sixhomekeke kwi-Wavelength
