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Nnwale Nlele na Nnyocha Oghere nke LCP-28 Abbe

Nkọwa Dị Mkpirikpi:

Ụkpụrụ onyonyo Abbe kwenyere na usoro onyonyo nke lens nwere ike kewaa ụzọ abụọ: nzọụkwụ mbụ bụ ịmepụta ụdị oghere dị n'azụ focal plane (spectrum plane) nke lens site na ìhè diffract na ihe ahụ, nke bụ mmetụta "nkewa ugboro ugboro" nke diffraction kpatara; Nzọụkwụ nke abụọ bụ itinye ụdọ nke ugboro oghere dị iche iche n'elu ihe onyonyo iji mepụta onyonyo nke ihe ahụ, nke bụ mmetụta "njikọta" nke nnyonye anya kpatara. Nzọụkwụ abụọ nke usoro onyonyo bụ mgbanwe Fourier abụọ. Ọ bụrụ na mgbanwe Fourier abụọ a zuru oke, ya bụ, enweghị mfu nke ozi, mgbe ahụ onyonyo na ihe ahụ kwesịrị ịdị ka nke ahụ kpamkpam. Ọ bụrụ na edobere nzacha oghere dị iche iche na elu ụdịrị iji gbochie ụfọdụ akụkụ ugboro oghere nke ụdịrị ahụ, onyonyo ahụ ga-agbanwe. Nzacha oghere bụ itinye nzacha oghere dị iche iche na elu ụdịrị nke sistemụ anya, wepụ (ma ọ bụ họrọ ịgafe) ugboro ole oghere ụfọdụ ma ọ bụ gbanwee oke na usoro ha, ka e wee nwee ike imeziwanye onyonyo ihe akụkụ abụọ dịka achọrọ. Nke a bụkwa isi ihe nhazi anya coherent.


Nkọwa Ngwaahịa

Akara Ngwaahịa

Nnwale
1. Mee ka nghọta nke echiche nke ugboro oghere, ụdị ugboro oghere na nzacha oghere sikwuo ike na Fourier optics
2. Ị maara ụzọ anya nke nzacha oghere na ụzọ esi eme nzacha elu-agafe, obere-agafe na ntụziaka

Nkọwapụta

Isi iyi ọkụ ọcha 12V, 30W
He-Ne laser 632.8nm, ike> 1.5mW
Optic trel 1.5m
Ihe nzacha Nzacha Spektrum, nzacha efu, nzacha ntụzi aka, nzacha obere ngafe, nzacha elu ngafe, nzacha band ngafe, obere nzacha oghere
Lensi f=225mm,f=190mm,f=150mm,f=4.5mm
Nchaji Nnyefe ihe mkpuchi 20L/mm, ihe mkpuchi akụkụ abụọ 20L/mm, okwu grid 20L/mm, θ modulation board
Diaphragm enwere ike ịgbanwe 0-14mm enwere ike ịgbanwe
Ndị ọzọ Slide, ihe njide axis abụọ, ihe njide lens, enyo ụgbọelu, ihe njide efere

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