Alaabada

JOOJI CIYAARTA

Sharraxaadda Gaaban:

Saxanka mowjadda, oo sidoo kale loo yaqaan dib-u-habeyn weji, waa aalad indhaha lagu beddelo xaaladda is-beddelidda iftiinka iyadoo la abuurayo farqiga u dhexeeya indhaha (ama farqiga wejiga) ee u dhexeeya laba qaybood ee is-wadaagga orthogonal orthogonal. Markay iftiinka dhacdadu maraan taarikada mowjadaha leh noocyo kala duwan oo cabbir ah, iftiinka bixidda ayaa ka duwan kan, kaas oo noqon kara nalka tooska ah ee iftiinka leh, nalka tooska ah, iftiinka wareegsan ee wareegga, iwm. Meel kasta oo mawjad gaar ah leh, kaladuwanaanta wajiga waxaa lagu go'aamiyaa dhumucda saxanka mawjadda.


Faahfaahinta badeecada

Tilmaamaha Badeecada

Saxanka mowjadda, oo sidoo kale loo yaqaan dib-u-habeyn weji, waa aalad indhaha lagu beddelo xaaladda is-beddelidda iftiinka iyadoo la abuurayo farqiga u dhexeeya indhaha (ama farqiga wejiga) ee u dhexeeya laba qaybood ee is-wadaagga orthogonal orthogonal. Markay iftiinka dhacdadu maraan taarikada mowjadaha leh noocyo kala duwan oo cabbir ah, iftiinka bixidda ayaa ka duwan kan, kaas oo noqon kara nalka tooska ah ee iftiinka leh, nalka tooska ah, iftiinka wareegsan ee wareegga, iwm. Meel kasta oo mawjad gaar ah leh, kaladuwanaanta wajiga waxaa lagu go'aamiyaa dhumucda saxanka mawjadda.

Taarikada Wave waxaa sida caadiga ah ka sameysan shey laba dhinac ah oo leh dhumuc sax ah sida quartz, calcite ama mica, oo dhidibkiisa isha uu barbar dhigo dusha sare. Taarikada hirarka caadiga ah (oo ay ku jiraan λ / 2 iyo λ / 4 taarikada hirarka) waxay ku saleysan yihiin dhisme hawo ku-wareejin u oggolaanaya isticmaalkooda codsiyada awooda sare leh oo leh xadka burburka oo ka sarreeya 10 J / cm² illaa 20 ns oo riix ah 1064 nm.

Kalabar (λ / 2) Wave Plate

Ka dib markii ay ka gudubto saxan mawjadaha λ / 2, iftiinka toosan ee buluugga ah ayaa wali toosan toosan u leh, si kastaba ha ahaatee, waxaa jira farqi xagal (2θ) ah oo u dhexeeya diyaaradda gariirka ee isku-dhafka isku-dhafka ah iyo diyaaradda gariirka ee dhacdada iftiinka. Haddii θ = 45 °, gantaarka gariirka iftiinka bixidu uu u qalmo duullimaadyada gariirka iftiinka shilka, taasi waa, marka θ = 45 °, saqanka λ / 2 uu beddeli karo gobolka isudheellitirka 90 °.

Quarter (λ / 4) Wave Plate

Marka xagasha udhaxeysa dhacdada galka ruxida ee iftiinka dabeysha iyo xargaha firaaqada ah ee saxuunta mowjadda ay tahay θ = 45 °, nalka maraya plate / 4 saxuunta mowjadda waa mid wareegsan oo wareegsan. Haddii kale, ka dib markii aad ka gudubto saxan mawjadaha λ / 4, laydh wareegsan oo kolalayaal ah ayaa qadka toosan loo wareejin doonaa. Saxanka λ / 4 waxay la mid yihiin saamaynta wave / 2 saxan hillaac markay u oggolaaneyso in nalku laba jeer dhaafo.

Sharraxayaasha WISOPTIC - Taargooyinka Wave

  Jaangooyo Gogoldhig Sare
Waxyaabaha Quwadda-Laascaanoodka ah ee Laascaanoor
Is-adkeysiga dheemanka + 0.0 / -0.2 mm + 0.0 / -0.15 mm
Dulqaadashada Dulqaadka Λ / 200 Λ / 300
Nadiifi Xawaaraha > 90% aagga dhexe
Tayada dusha sare [S / D] <20/10 [S / D] <10/5 [S / D]
Kala-Wareegida Wavefront λ / 8 @ 632.8 nm λ / 10 @ 632.8 nm
Isbarbar dhig (saxan keliya) ≤ 3 ” ≤ 1 ”
  Daboolista   R < 0.2% meykoolka bartamaha
  Heerka burburka Laser 10 J / cm² @ 1064 nm, 10 ns, 10 Hz

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