Nnwale ihe nkiri ihe nkiri - nnyefe na ntụgharị uche

1 Performance paramita mgbe mkpuchi

N'isiokwu gara aga, anyị webatara ọrụ, ụkpụrụ, ngwanrọ imewe na usoro mkpuchi nkịtị nke ihe nkiri dị mkpa.N'isiokwu a, anyị na-ewebata ule nke parampat mkpuchi mkpuchi.Akụkụ arụmọrụ nke elu nke akụkụ ahụ mgbe mkpuchi gụnyere Transmittance (Transmittance), Reflectance (R), Absorptance (A), wdg. Na mgbakwunye, absorptance (Transmittance) na na.Ekwesịrị ịnwale ma nyochaa njirimara mgbasa ozi S (Scatter) nke ihe nkiri ahụ.
The transmittance T bụ oke nke ike ike ọkụ na-agafe na fim ahụ na ike ọkụ merenụ.Ngosipụta R bụ oke ike ike na-egosipụta site na elu mkpuchi na ike ihe merenụ.Absorption A bụ oke ike ọkụ nke oyi akwa ihe nkiri na-etinye na ike ọkụ nke merenụ.Maka paramita atọ ndị a, njikọ ndị a dị:
T + R + A = 1

Ya bụ, nchikota nke transmittance, reflectivity na absorption nke ihe nkiri oyi akwa bụ mgbe niile 1. Nke a pụtara na mgbe ìhè ọkụ na-agafe na akpụkpọ ahụ, akụkụ ya na-agafe, akụkụ ya na-egosipụta pụọ, na ndị ọzọ. akpụkpọ ahụ na-etinye obi gị dum.

Nangwa anya akụrụngwaeserese, nnyefe ma ọ bụ reflectivity nke ihe nkiri elu na-achọkarị, na spectral nso na ọnọdụ Angle n'okpuru ngwa ngwa mkpa ka a kọwaa nke ọma.Ọ bụrụ na a chọkwara polarization, ọ dị mkpa ka akọwapụta oke nke steeti polarization.Dịka ọmụmaatụ, ihe mkpuchi chọrọ na ọnụ ọgụgụ dị n'okpuru ebe a bụ na na 770nm, ntụgharị uche kwesịrị ịbụ ihe na-erughị 88% na ogo 45, na 550nm, nnyefe kwesịrị ịbụ ihe na-erughị 70% na 45 degrees.

a

Na mgbakwunye na ihe ndị a na-ahụ anya dị n'elu, ọ dị mkpa ka a tụlee ihe ndị na-arụ ọrụ na kemịkalụ nke oyi akwa ihe nkiri ahụ, gụnyere nguzogide eyi, nkwụsi ike, solubility nke oyi akwa ihe nkiri.Tụkwasị na nke ahụ, ịdị mma nke elu anya mgbe mkpuchi na-achọkwa ka a tụlee, gụnyere ihe ndị a chọrọ maka pitting, scratches, unyi, stains, wdg.
2 Ụkpụrụ nke spectrophotometer

N'ime akwụkwọ a, anyị na-elekwasị anya na ngwa anya ngwa nke ụzọ nyocha ihe nkiri iji webata, na omume, isi Spectrophotometer (Spectrophotometer) na Ellipsometer (Ellipsometer) iji nwalee paramita ihe nkiri ahụ, spectrophotometer nwere ike ịnwale transmittance, reflectivity na absorption àgwà nke ngwa anya. ngwaahịa.Ellipsometer nwere ike ịlele nha na njirimara polarization nke oyi akwa ihe nkiri ahụ, ụkpụrụ nke abụọ ahụ yiri ya.
Enwere ike kewaa ihe owuwu nke ngwaọrụ dị otú ahụ n'ime akụkụ abụọ nke ọwa ọgbọ nke beam na ọwa nke na-enweta ọwa, mgbe a na-enyocha nnyefe nke akụrụngwa, a na-etinye ihe ahụ n'etiti ọwa abụọ ahụ, nke mere na ọkụ ahụ. na-agafe ihe nlele ahụ, mgbe ọ dị mkpa ka a nwalee ihe ngosi nke akụkụ ahụ, a na-etinye akụkụ ahụ n'otu akụkụ nke ọwa abụọ ahụ, nke mere na ọkụ ahụ na-egosipụta site na nlele ahụ.Dịka ọmụmaatụ, ụkpụrụ nke spectrophotometer iji tụọ nnyefe nke nlele na-egosi na foto a:

b

Na ọnụ ọgụgụ dị n'elu, njedebe aka ekpe bụ ọwa ọgbọ na-egbuke egbuke, na-eji isi iyi ọkụ dị iche iche na-enye ìhè, na mgbe ahụ site na nkewa nke grating na nhọrọ nke slit, na-emepụta otu wavelength nke ìhè, ọkụ ahụ na-agafe. na collimator 1, na-aghọ a collimated doo, na mgbe ahụ gafere site polarizer nke nwere ike bugharia Angle, na-aghọ a polarized ìhè, na polarized ìhè na-ekewa n'ime 2 doo site spectroscope mgbe collimator 2 gbakọtara.A na-egosipụta ọkụ ọkụ n'ime onye na-achọpụta ihe, ebe a na-eji ọkụ ọkụ anakọtara dị ka ihe ntụaka iji dozie ike na-emegharị ike n'ihi mgbanwe nke ìhè ọkụ, na ọkụ ọkụ ọzọ na-agafe na ihe nlele ahụ, na-emegharị ya site na collimator 3 na collimator. 4, wee banye ihe nchọta na njedebe aka nri nke ule ahụ.N'ime ule ahụ n'ezie, a na-enweta uru abụọ ike site na itinye na ịwepụ ihe nlele a nwalere, na nnyefe nke ihe nlele nwere ike nweta site n'iji ike tụnyere ike.
Ụkpụrụ nke ellipsometer yiri ụkpụrụ nke spectrophotometer dị n'elu, ma e wezụga na a na-agbakwunye efere 1/4 na-atụgharị dị ka ihe nkwụghachi ụgwọ na ọwa na-ezipụ ọkụ na ọwa nnata, na-agbakwunye polarizer na ọwa nnata. , nke mere na njirimara polarization nke ihe nlele ahụ nwere ike nyochaa nke ọma karị.N'ọnọdụ ụfọdụ, ellipsometer ga-ejikwa isi iyi ọkụ dị obosara ozugbo, wee nara slit na splitter spectrometer na njedebe nnata, jikọtara ya na ihe nleba anya n'ahịrị, iji nweta ule arụmọrụ nke akụrụngwa.
3. Nnwale nke nnyefe

N'ime ule nnyefe, iji zere nlegharị anya nke onye na-achọpụta ihe na-enweta ọkụ ọkụ, a na-ejikarị sphere na-ejikọta dị ka onye na-anata ihe, a na-egosipụta ụkpụrụ dị ka ndị a:

c

Dị ka a na-ahụ site na ọnụ ọgụgụ dị n'elu, oghere na-ejikọta ya bụ oghere oghere nke ejiri ihe mkpuchi na-acha ọcha na-ekpuchi ihe na-egbuke egbuke na mgbidi dị n'ime, na e nwere oghere windo na mgbidi bọl, nke a na-eji dị ka oghere ọkụ nke ìhè merenụ. na oghere nnabata nke onye na-achọpụta ọkụ.N'ụzọ dị otú a, ìhè na-abanye n'ime oghere na-ejikọta ọnụ na-egosipụta ọtụtụ ugboro site na mkpuchi mgbidi dị n'ime, na-eme ka ìhè dị n'ime mgbidi dị n'ime, ma na-enweta ya site na onye nchọpụta.
Dịka ọmụmaatụ, a na-egosi nhazi nke ngwaọrụ eji anwale nnyefe nke efere anya n'okpuru

d

N'ọnụ ọgụgụ dị n'elu, a na-etinye ihe nlele a nwalere na tebụl ngbanwe nke enwere ike ịtụgharị na ntụzịaka x na y.Enwere ike ịnwale nnyefe nke ihe nlele n'ọnọdụ ọ bụla site na njikwa kọmputa nke tebụl ngbanwe.Enwere ike nweta nkesa nnyefe nke iko niile dị larịị site na nyocha nyocha, na mkpebi nke ule ahụ dabere na nha ntụpọ ahụ.
4. Nnwale ntụgharị uche

Maka nha nke ihe nkiri anya ihe ngosi, a na-enwekarị ụzọ abụọ, otu bụ nha nha na nke ọzọ bụ nha zuru oke.Usoro nha nha anya chọrọ nlegharị anya nwere nlegharị anya amaara ka ejiri mee ihe ntụnye aka maka nnwale ntụnyere.Na omume, ọ dị mkpa ka a na-emezigharị ihe ngosi nke enyo ntụaka mgbe niile site na ịka nká ma ọ bụ mmetọ nke oyi akwa ihe nkiri.Ya mere, usoro a nwere ikike nha nha.Usoro nke nleba anya zuru oke na-achọ nhazi nke ihe ngosi nke ngwaọrụ ule na-etinyeghị ihe nlele ahụ.Na ọnụ ọgụgụ dị n'okpuru, a na-enye usoro nke ngwaọrụ VW kpochapụwo iji nweta nha zuru oke nke nleba anya nke ihe nlele:

e

Ọnụ ọgụgụ aka ekpe dị na foto a dị n'elu na-egosi nhazi ụdị V nke nwere enyo atọ, M1, M2 na M3.Nke mbụ, a na-anwale uru ọkụ ọkụ dị na ọnọdụ a ma dekọọ dị ka P1.Mgbe ahụ, na ọnụ ọgụgụ ziri ezi, a na-etinye ihe nlele n'okpuru ule, a na-atụgharịkwa enyo M2 n'ogo dị elu iji mepụta usoro W.Enwere ike nweta ihe ngosi zuru oke nke nlele a tụrụ.Enwere ike imeziwanye ngwaọrụ a, dịka ọmụmaatụ, ihe nlele n'okpuru ule nwekwara tebụl na-atụgharị onwe ya, nke mere na ihe nlele n'okpuru ule nwere ike ịtụgharị gaa n'akụkụ ọ bụla, site na ịtụgharị M2 mirror na ọnọdụ ntụgharị kwekọrọ, iji nweta mmepụta beam, nke mere na a ga-anwale ihe ngosi nke ihe nlele ahụ n'ọtụtụ akụkụ.
Dịka ọmụmaatụ, a na-egosi nhazi nke ngwaọrụ eji anwale ngosipụta nke efere anya n'okpuru:

f

Na ọnụ ọgụgụ dị n'elu, a na-etinye ihe nlele a nwalere na tebụl ngbanwe x / y, na ntụgharị uche nke ihe nlele ahụ nwere ike ịnwale n'ọnọdụ ọ bụla site na njikwa kọmputa nke tebụl ngbanwe.Site na nyocha nyocha, enwere ike nweta maapụ nkesa ihe ngosi nke iko niile dị larịị.

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Tinye: Ụlọ 1, No.1558, okporo ụzọ ọgụgụ isi, qingbaijiang, chengdu, sichuan, china


Oge nzipu: Eprel-23-2024