A ƙarƙashin wasu yanayi na hasken wuta, lokacin da aka kalli gilashin mai zafi daga wani nisa da kusurwa, za a sami wasu wurare masu launin da ba a saba ba bisa ka'ida ba a saman gilashin mai zafi. Irin wannan nau'in tabo masu launi shine abin da muke kira "matsalolin damuwa". ", ba ya shafar tasirin gilashin (babu karkatar da tunani), kuma baya tasiri tasirin watsawa na gilashin (ba ya shafar ƙuduri, kuma baya haifar da ɓarna na gani). Siffar gani ce wacce duk gilashin da ke da zafin rai ke da shi. Ba matsala mai inganci ba ne ko lahani mai inganci na gilashin zafin jiki, amma ana amfani da shi sosai azaman gilashin aminci, kuma mutane suna da buƙatu mafi girma da girma don bayyanar gilashin, musamman a matsayin babban yanki Kasancewar wuraren damuwa a cikin tauri. gilashin a lokacin aikace-aikacen bangon labule zai yi tasiri sosai ga bayyanar gilashin, har ma ya shafi tasirin kyawawan gine-ginen, don haka mutane suna ba da hankali ga wuraren damuwa.
Dalilan abubuwan damuwa
Ana iya raba duk kayan da aka bayyana a cikin kayan isotropic da kayan anisotropic. Lokacin da haske ya ratsa cikin kayan isotropic, saurin haske iri ɗaya ne a kowane bangare, kuma hasken da ke fitowa baya canzawa daga hasken da ya faru. Gilashin da aka rufe da kyau shine kayan isotropic. Lokacin da haske ya ratsa cikin kayan anisotropic, hasken da ya faru ya kasu kashi biyu tare da gudu daban-daban da kuma nisa daban-daban. Hasken da aka fitar da hasken lamarin ya canza. Gilashin da ba shi da kyau, gami da gilashin zafi, abu ne mai anisotropic. A matsayin kayan anisotropic na gilashi mai zafi, za'a iya bayyana abin da ya faru na wuraren damuwa ta hanyar ka'idar elasticity na hoto: lokacin da katako na hasken wuta ya ratsa cikin gilashin mai zafi, saboda akwai damuwa na dindindin (danniya mai zafi) a cikin gilashin, wannan katako. na haske zai lalace zuwa haske Polarized guda biyu tare da saurin yaduwar katako daban-daban, wato haske mai sauri da jinkirin haske, kuma ana kiransa birefringence.
Lokacin da fitilun haske guda biyu suka samu a wani wuri suka haɗu da hasken da aka samar a wani wuri, akwai bambanci na zamani a mahadar hasken wutar lantarki saboda bambancin saurin yaduwar hasken. A wannan lokacin, hasken wuta guda biyu zai tsoma baki. Lokacin da amplitude shugabanci ya kasance iri ɗaya, ƙarfin hasken yana ƙarfafawa, yana haifar da filin kallo mai haske, wato, wurare masu haske; lokacin da madaidaicin girman hasken ya kasance akasin haka, hasken hasken yana raunana, yana haifar da filin kallo mai duhu, wato, wuraren duhu. Muddin akwai rashin daidaituwa na rarraba damuwa a cikin jagoran jirgin sama na gilashin zafi, abubuwan damuwa zasu faru.
Bugu da ƙari, nunin gilashin gilashi yana sa hasken haske da watsawa suna da wani tasiri na polarization. Hasken da ke shiga gilashin shine ainihin haske tare da tasirin polarization, wanda shine dalilin da ya sa za ku ga haske da ratsan duhu ko speckles.
Yanayin zafi
Gilashin yana da dumama mara daidaituwa a hanyar jirgin kafin ya mutu. Bayan an kashe gilashin mai zafi da bai dace ba kuma an sanyaya shi, wurin da ke da zafi mai zafi zai haifar da ƙarancin damuwa, kuma wurin da ke da ƙananan zafin jiki zai haifar da matsananciyar damuwa. Duma mara daidaituwa zai haifar da damuwa mai rarraba mara daidaituwa a saman gilashin.
Yanayin sanyaya
Tsarin zafin jiki na gilashi yana saurin sanyaya bayan dumama. Tsarin sanyaya da tsarin dumama suna da mahimmanci daidai da samuwar danniya na tempering. Rashin daidaituwar sanyaya gilashin da ke kan hanyar jirgin kafin kashewa daidai yake da dumama mara daidaituwa, wanda kuma zai iya haifar da damuwa mara daidaituwa. Matsakaicin matsa lamba da aka kafa ta wurin tare da babban ƙarfin sanyaya yana da girma, kuma matsananciyar damuwa da aka kafa ta wurin tare da ƙarancin sanyi yana ƙarami. Sanyaya mara daidaituwa zai haifar da rarraba damuwa mara daidaituwa a saman gilashin.
kusurwar kallo
Dalilin da ya sa za mu iya ganin wurin damuwa shine cewa hasken halitta a cikin ganuwa mai haske yana da iyaka lokacin da ya wuce ta gilashin. Lokacin da hasken ya haskaka daga saman gilashin (matsakaici mai haske) a wani kusurwa, wani ɓangare na hasken ya zama polarized kuma yana wucewa ta cikin gilashin. Har ila yau, ɓangaren hasken da aka murƙushe shi ma ya zama polarized. Lokacin da tangent na kusurwar abin da ya faru na hasken ya yi daidai da ma'aunin nuni na gilashin, alamar polarization da aka nuna ya kai matsakaicin. Ma'anar ma'anar gilashin shine 1.5, kuma matsakaicin kusurwar abin da ya faru na alamar polarization shine 56. Wato, hasken da ke nunawa daga gilashin gilashi a wani kusurwa na 56 ° kusan dukkanin haske ne. Don gilashin zafi, hasken da muke gani yana haskakawa daga saman biyu tare da nuni na 4% kowanne. Hasken haske daga saman na biyu wanda yake nesa da mu yana wucewa ta gilashin damuwa. Wannan bangare na haske ya fi kusa da mu. Hasken haske daga saman farko yana tsoma baki tare da gilashin gilashi don samar da ƙwanƙwasa masu launi. Saboda haka, farantin damuwa ya fi bayyana yayin kallon gilashin a kusurwar da ke faruwa na 56. Wannan ka'ida ta shafi gilashin da ke hana fushi saboda akwai ƙarin filaye masu nunawa da ƙarin haske. Don gilashin zafin jiki tare da matsakaicin matakin rashin daidaituwa, wuraren damuwa da muke gani sun fi haske kuma suna bayyana nauyi.
gilashin kauri
Tun da haske yana yaduwa a cikin nau'ikan nau'ikan gilashi daban-daban, mafi girman kauri, mafi tsayin hanyar gani, ƙarin damar da za a iya daidaita haske. Sabili da haka, don gilashin tare da matakin damuwa iri ɗaya, mafi girma da kauri, nauyin launi na wuraren damuwa.
Gilashi iri
Daban-daban na gilashi suna da tasiri daban-daban akan gilashi tare da matakin damuwa iri ɗaya. Misali, gilashin borosilicate zai bayyana haske a launi fiye da gilashin lemun tsami.
Don gilashin zafi, yana da matukar wahala a kawar da wuraren damuwa gaba ɗaya saboda ƙa'idodin ƙarfafawa. Duk da haka, ta hanyar zabar kayan aiki mai mahimmanci da kuma kula da ma'auni na tsarin samarwa, yana yiwuwa a rage raguwar damuwa da kuma cimma matsayi na rashin tasiri ga sakamako mai kyau.
Saida Glasssanannen gilashin zurfin sarrafawa ne na duniya mai inganci, farashin gasa da lokacin isarwa kan lokaci. Tare da gilashin gyare-gyare a wurare daban-daban da kuma ƙwarewa a gilashin gilashin taɓawa, canza gilashin gilashi, gilashin AG / AR / AF / ITO / FTO da na cikin gida & waje tabawa.
Lokacin aikawa: Satumba-09-2020
