A ƙarƙashin wasu yanayi na haske, idan aka kalli gilashin mai laushi daga wani nisa da kusurwa, za a sami wasu tabo masu launi da ba a rarraba su ba daidai ba a saman gilashin mai laushi. Irin waɗannan tabo masu launi sune abin da muke kira "tabo masu damuwa". ", ba ya shafar tasirin haske na gilashin (babu karkatar da haske), kuma ba ya shafar tasirin watsa gilashin (ba ya shafar ƙudurin, kuma ba ya haifar da karkatar da gani). Halayyar gani ce da duk gilashin mai laushi ke da ita. Ba matsalar inganci ba ce ko lahani na ingancin gilashin mai laushi, amma ana amfani da shi sosai a matsayin gilashin aminci, kuma mutane suna da buƙatu mafi girma da girma don bayyanar gilashi, musamman a matsayin babban yanki Kasancewar tabo masu damuwa a cikin gilashin mai tauri yayin amfani da bangon labule zai yi mummunan tasiri ga bayyanar gilashin, har ma yana shafar tasirin kyawun ginin gabaɗaya, don haka mutane suna ƙara mai da hankali ga tabo masu damuwa.
Dalilan wuraren damuwa
Ana iya raba dukkan kayan haske zuwa kayan isotropic da kayan anisotropic. Lokacin da haske ya ratsa ta cikin kayan isotropic, saurin haske iri ɗaya ne a kowane bangare, kuma hasken da aka fitar baya canzawa daga hasken da ya faru. Gilashin da aka yi da kyau abu ne na isotropic. Lokacin da haske ya ratsa ta cikin kayan anisotropic, hasken da ya faru yana raba zuwa haskoki biyu tare da gudu daban-daban da nisa daban-daban. Hasken da aka fitar da shi da hasken da ya faru yana canzawa. Gilashin da ba shi da kyau, gami da gilashin da aka yi da shi, abu ne na anisotropic. A matsayin kayan anisotropic na gilashin da aka yi da shi, ana iya bayanin abin da ke faruwa na tabo na damuwa ta hanyar ƙa'idar sassaucin hoto: lokacin da hasken da aka yi da shi ya ratsa ta cikin gilashin da aka yi da shi, saboda akwai damuwa ta dindindin (damuwa mai tsauri) a cikin gilashin, wannan hasken zai ruɓe zuwa haske biyu masu launin Polarized tare da saurin yaɗa haske daban-daban, wato haske mai sauri da haske mai jinkiri, kuma ana kiransa birefringence.
Idan haskoki biyu da aka samar a wani wuri suka haɗu da haskokin haske da aka samar a wani wuri, akwai bambancin lokaci a mahadar haskokin haske saboda bambancin saurin yaɗuwar haske. A wannan lokacin, haskokin haske biyu za su yi katsalandan. Idan alkiblar girman haske iri ɗaya ce, ƙarfin hasken yana ƙaruwa, wanda ke haifar da filin gani mai haske, wato, wurare masu haske; idan alkiblar girman haske ta kasance akasin haka, ƙarfin hasken yana raguwa, wanda ke haifar da filin gani mai duhu, wato, wurare masu duhu. Muddin akwai rarraba damuwa mara daidaito a alkiblar gilashin da aka sanyaya, wuraren damuwa za su faru.
Bugu da ƙari, hasken saman gilashin yana sa hasken da aka nuna da watsawa su sami wani tasirin polarization. Hasken da ke shiga gilashin a zahiri haske ne tare da tasirin polarization, shi ya sa za ku ga haske da duhun ratsi ko ɗigogi.
Ma'aunin dumama
Gilashin yana da dumama mara daidaito a alkiblar jirgin kafin a kashe shi. Bayan an kashe gilashin da aka dumama ba daidai ba kuma aka sanyaya shi, yankin da ke da zafi mai yawa zai haifar da ƙarancin matsin lamba, kuma yankin da ke da ƙarancin zafin jiki zai haifar da ƙarin matsin lamba. Dumama mara daidaito zai haifar da matsin lamba mara daidaituwa a saman gilashin.
Ma'aunin sanyaya
Tsarin dumama gilashin yana sanyaya da sauri bayan dumama. Tsarin sanyaya da dumama suna da mahimmanci ga samuwar matsin lamba. Sanyaya gilashin ba daidai ba a alkiblar sama kafin a kashe shi iri ɗaya ne da dumama ba daidai ba, wanda kuma zai iya haifar da matsin lamba mara daidai. Matsalar matsin lamba ta saman da yankin da ke da ƙarfin sanyaya mai yawa ya samar yana da girma, kuma matsin lamba ta matsawa da yankin da ke da ƙarancin ƙarfin sanyaya ya samar ƙarami ne. Sanyaya mara daidai zai haifar da rarrabuwar damuwa mara daidai a saman gilashin.
Kusurwar kallo
Dalilin da ya sa za mu iya ganin wurin damuwa shi ne hasken halitta a cikin madaurin haske da ake gani yana wargazawa lokacin da yake ratsa gilashin. Lokacin da hasken ya haskaka daga saman gilashin (matsakaicin haske) a wani kusurwa, wani ɓangare na hasken yana wargazawa kuma yana ratsa gilashin. Wani ɓangare na hasken da aka wargaza shi ma yana wargazawa. Lokacin da tangent na kusurwar da ta faru na hasken ya yi daidai da ma'aunin refractive na gilashin, wargazawa mai haske ya kai matsakaicin. Ma'aunin refractive na gilashin shine 1.5, kuma matsakaicin kusurwar da ta faru na wargazawa mai haske shine 56. Wato, hasken da aka haskaka daga saman gilashin a kusurwar da ta faru ta 56° kusan dukkan haske ne mai wargazawa. Ga gilashin da aka wargazawa, hasken da aka haskaka da muke gani yana wargazawa daga saman biyu tare da wargazawa na 4% kowannensu. Hasken da aka haskaka daga saman na biyu wanda yake nesa da mu yana ratsa gilashin damuwa. Wannan ɓangaren na hasken yana kusa da mu. Hasken da aka haskaka daga saman farko yana tsoma baki da saman gilashin don samar da ɗigon launuka. Saboda haka, farantin damuwa yana bayyana sosai lokacin da ake kallon gilashin a kusurwar da ta faru ta 56. Wannan ƙa'ida ta shafi gilashin da ke hana zafi saboda akwai ƙarin saman haske da haske mai ƙarfi. Ga gilashin da aka sanyaya mai matsakaicin matsin lamba iri ɗaya, wuraren damuwa da muke gani sun fi bayyana kuma suna da nauyi.
kauri gilashi
Tunda haske yana yaduwa a cikin kauri daban-daban na gilashi, girman kauri, tsawon hanyar gani, ƙarin damar wargaza haske. Saboda haka, ga gilashin da ke da matakin damuwa iri ɗaya, girman kauri, da nauyin launin wuraren damuwa.
Nau'ikan gilashi
Nau'o'in gilashi daban-daban suna da tasiri daban-daban akan gilashi mai matakin damuwa iri ɗaya. Misali, gilashin borosilicate zai yi kama da mai haske fiye da gilashin soda lemun tsami.
Ga gilashin da aka yi wa zafi, yana da matuƙar wahala a kawar da wuraren damuwa gaba ɗaya saboda ƙa'idar ƙarfafawa. Duk da haka, ta hanyar zaɓar kayan aiki na zamani da kuma kula da tsarin samarwa yadda ya kamata, yana yiwuwa a rage wuraren damuwa da kuma cimma matakin rashin shafar tasirin kyau.
Gilashin SaidaShahararren mai samar da gilashin da aka sani a duniya, wanda ke da inganci mai kyau, farashi mai kyau da kuma lokacin isar da shi akan lokaci. Tare da keɓance gilashin a fannoni daban-daban kuma ya ƙware a gilashin allon taɓawa, allon gilashin canzawa, gilashin AG/AR/AF/ITO/FTO da allon taɓawa na ciki da waje.
Lokacin Saƙo: Satumba-09-2020