Ụkpụrụ Polariscope Strain View Principle of Optics

Njikwa nrụgide iko bụ njikọ dị oke mkpa na usoro mmepụta iko, na usoro nke itinye ọgwụgwọ okpomọkụ kwesịrị ekwesị iji chịkwaa nchekasị bụ ndị ọkachamara na-ahụ maka iko maara nke ọma.Otú ọ dị, otú n'ụzọ ziri ezi tụọ iko nchegbu ka bụ otu n'ime ndị siri ike nsogbu na mgbagwoju anya ka ọtụtụ nke iko emepụta na technicians, na omenala empirical atụmatụ aghọwo ọzọ na ndị ọzọ ekwesighi maka àgwà chọrọ nke iko ngwaahịa na taa ọha mmadụ.Edemede a na-ewebata usoro nleba anya nke nrụgide a na-ejikarị eme ihe n'ụzọ zuru ezu, na-atụ anya na ọ ga-enyere aka ma na-eme ka ụlọ ọrụ enyo pụta ìhè:

1. Usoro ihe ndabere nke nchọpụta nrụgide:

1.1 ọkụ ọkụ

A maara nke ọma na ọkụ bụ ebili mmiri electromagnetic nke na-ama jijiji n'ụzọ ọ bụla na-aga n'ihu, na-ama jijiji n'elu ebe niile na-ama jijiji na-adabere na ntụziaka nke aga n'ihu.Ọ bụrụ na a na-ewebata ihe nzacha polarization nke na-enye naanị ụfọdụ ntụziaka vibration ka ọ gafee n'ụzọ ọkụ, enwere ike ịnweta ọkụ na-ekpo ọkụ, nke a na-ezo aka dị ka ìhè polarized, na ngwa anya nke emere dịka njirimara anya bụ polarizer (Polariscope Strain Viewer).YYPL03 Polariscope Strain Viewer

1.2 Mkpebi

Glass bụ isotropic ma nwee otu ntugharị ntụgharị n'akụkụ niile.Ọ bụrụ na enwere nrụgide na iko ahụ, a na-ebibi ihe ndị dị na isotropic, na-eme ka ntụgharị uche gbanwee, na ntụgharị uche nke ntụziaka abụọ bụ isi na-abụkwa otu, ya bụ, na-eduga na birefringence.

1.3 Optical ụzọ dị iche

Mgbe ọkụ polarized gafere site na iko siri ike nke ọkpụrụkpụ t, vector ọkụ na-ekewa ụzọ abụọ na-ama jijiji na ntụzịaka nrụgide x na y, n'otu n'otu.Ọ bụrụ na vx na vy bụ ngwa ngwa nke akụkụ vector abụọ n'otu n'otu, mgbe ahụ, oge achọrọ iji gafee iko bụ t/vx na t/vy n'otu n'otu, na akụkụ abụọ ahụ anaghị emekọrịta ọzọ, mgbe ahụ enwere ọdịiche ụzọ anya δ