Kula da damuwar gilashi muhimmin abu ne a cikin tsarin samar da gilashi, kuma hanyar amfani da maganin zafi mai dacewa don magance damuwa ta shahara ga masu fasaha a gilashi. Duk da haka, yadda ake auna matsin lambar gilashi daidai har yanzu yana ɗaya daga cikin matsalolin da ke rikitar da yawancin masana'antun gilashi da masu fasaha, kuma kimantawar gargajiya ta zama ba ta dace da buƙatun ingancin samfuran gilashi a cikin al'umma ta yau ba. Wannan labarin ya gabatar da hanyoyin auna damuwa da aka saba amfani da su dalla-dalla, da fatan za su taimaka wa masana'antun gilashi kuma su ba da haske ga masana'antun gilashi:
1. Tushen nazari kan gano damuwa:
1.1 Hasken da aka haɗa da Polarized
Sanannen abu ne cewa haske wani nau'in wutar lantarki ne wanda ke girgiza a cikin alkiblar da ke daidai da alkiblar ci gaba, yana girgiza a kan dukkan saman girgiza da ke daidai da alkiblar ci gaba. Idan aka gabatar da matatar polarization wadda ke ba da damar wani alkiblar girgiza kawai ta ratsa ta hanyar haske, za a iya samun haske mai polarized, wanda ake kira haske mai polarized, kuma kayan aikin gani da aka yi bisa ga halayen gani shine polarizer (Polarizer).Mai Duba Tsarin Polariscope).Mai Duba Tsarin Polariscope na YYPL03
1.2 Haɗakar ...
Gilashin yana da isotropic kuma yana da irin wannan ma'aunin refractive a kowane bangare. Idan akwai damuwa a cikin gilashin, halayen isotropic suna lalacewa, wanda ke haifar da canjin ma'aunin refractive, kuma ma'aunin refractive na manyan alkiblar damuwa guda biyu ba iri ɗaya bane, wato, yana haifar da birefringence.
1.3 Bambancin hanyar gani
Idan hasken da aka haɗa ya ratsa ta cikin gilashin da aka matse mai kauri t, na'urar haske za ta rarrabu zuwa sassa biyu waɗanda ke girgiza a cikin alkiblar damuwa ta x da y, bi da bi. Idan vx da vy su ne saurin abubuwan vector guda biyu bi da bi, to lokacin da ake buƙata don ratsa ta cikin gilashin shine t/vx da t/vy bi da bi, kuma sassan biyu ba su sake daidaitawa ba, to akwai bambancin hanyar gani δ
Lokacin Saƙo: Agusta-31-2023