Nhazi na usoro nhazi nke laser modulator

Nhazi na usoro nhazi nke laser modulator

Ihe na-eme ka laser modulator rụọ ọrụbụ ụdị ihe eji achịkwa laser, ọ bụghị ihe dị mfe dịka kristal, lenses na ihe ndị ọzọ, ọ bụghịkwa ihe jikọtara ya nke ọma dịka lasers,ngwa laser, bụ oke njikọta, ụdị na ọrụ nke ngwaahịa klas ngwaọrụ. Site na ngosipụta mgbagwoju anya nke ebili mmiri ọkụ, a pụrụ ịhụ na ihe ndị na-emetụta ebili mmiri ọkụ bụ ike A(r), phase Φ(r), ugboro ω na akụkụ anọ nke ntụziaka mgbasa, site na ijikwa ihe ndị a nwere ike ịgbanwe ọnọdụ ebili mmiri ọkụ, modulator laser kwekọrọ bụihe na-eme ka ike dịkwuo mma, modulator nkebi, mgbanwe ugboro ugboro na deflector.

1. Ihe na-eme ka ike dịkwuo elu: a na-eji ya emezi ike ma ọ bụ oke nke laser, nke ihe na-eme ka anya dị nro, ọnụ ụzọ ámá anya bụ ihe kacha pụta ìhè, yana ngwaọrụ na akụrụngwa agbakwunyere dịka ihe na-ekewa oge, ihe na-eme ka ike sie ike, ihe na-eme ka mkpọtụ daa.

2. Nhazi usoro: eji achịkwa usoro nke ìhè, a na-akpọ mmụba usoro lag, a na-akpọ mbelata usoro lead. E nwere ọtụtụ ụdị modulators usoro, ụkpụrụ ọrụ ha dịkwa iche iche, dịka modulators fotoelastic, modulators usoro electro-optical LN dị elu, mpempe akwụkwọ oge mgbanwe kristal mmiri mmiri, wdg, bụ modulators usoro dabere na ụkpụrụ ọrụ dị iche iche.

3. Igwe mgbanwe ugboro ugboro: a na-eji ya agbanwe ugboro ugboro nke ebili mmiri ọkụ, a na-ejikarị ya eme ihe na sistemụ laser dị elu ma ọ bụ ngwa eserese, yana igwe mgbanwe ugboro ugboro acousto-optical dị ka ihe nnọchi anya nkịtị.

4. Deflector: ejiri ya gbanwee ntụziaka nke mgbasa nke osisi, usoro galvanometer nkịtị bụ otu n'ime ha, na mgbakwunye na ngwa ngwa mems galvanometer, electro-optical deflector na acousto-optical deflector.

Anyị nwere echiche izugbe gbasara ihe na-eme ka laser modulator dị, ya bụ, ihe ndị nwere ike ijikwa ma gbanwee ụfọdụ ihe onwunwe nke laser ahụ n'ụzọ dị iche iche, mana anyị chọrọ iwebata ngwaahịa kpọmkwem nke laser modulator, naanị otu ihe ezughi oke. Ya mere, nke mbụ, lekwasị anya na ihe na-eme ka laser modulator dị ike. Ihe na-eme ka ike dị ike dị ka ụdị ihe na-eme ka a na-ejikarị ya eme ihe n'ụdị sistemụ anya niile, ụdị ya, arụmọrụ dị iche iche enwere ike ịkọwa dị ka ihe mgbagwoju anya, taa iji webata gị atụmatụ ihe na-eme ka ike dị ike anọ: atụmatụ mekaniki, atụmatụ electro-optic, atụmatụ acousto-optic na atụmatụ kristal mmiri mmiri.

1. Atụmatụ igwe: ihe na-eme ka ike mekanikal dị ike bụ ihe na-eme ka ike dị ike kacha ochie ma na-ejikarị eme ihe. Ụkpụrụ bụ ịgbanwe oke nke ìhè s na ìhè p n'ìhè polarized site na ịtụgharị efere ọkara-ebili, na ikewapụ ìhè site na polarizer. Site na nhazi aka mbụ ruo na nke a na-arụ n'ụzọ akpaaka na nke dị elu nke taa, ụdị ngwaahịa ya na mmepe ngwa ya etoola nke ukwuu.

2. Atụmatụ Elektrọnik: ihe na-eme ka ike elektrọnik nwee ike ịgbanwe ike ma ọ bụ oke nke ìhè polarized, ụkpụrụ ahụ dabere na mmetụta Pockels nke kristal electro-optical. Ọnọdụ polarization nke oghere polarized na-agbanwe mgbe etinyere kristal electro-optic nwere ubi eletrik, wee kewaa polarizer site na nhọrọ. Enwere ike ijikwa ike nke ìhè a na-ewepụta site na ịgbanwe ike nke ubi eletrik, enwere ike iru nsọtụ mmụba/ọdịda nke oke ns.

3. Atụmatụ Acousto-optic: enwere ike iji acousto-optic modulator dị ka ihe na-eme ka ike dịkwuo elu. Site n'ịgbanwe arụmọrụ diffraction, enwere ike ijikwa ike nke ìhè 0 na ìhè 1 iji mezuo ebumnuche nke ịgbanwe ike ọkụ. Ọnụ ụzọ Acoustooptic (ihe na-eme ka ọkụ dịkwuo elu) nwere njirimara nke ọsọ mgbanwe ngwa ngwa na oke mmebi dị elu.

4 Ngwọta kristal mmiri mmiri: A na-ejikarị ngwaọrụ kristal mmiri mmiri dị ka efere ebili mmiri na-agbanwe agbanwe ma ọ bụ nzacha a na-agbanwe agbanwe, site na itinye voltaji draịva na nsọtụ abụọ nke igbe kristal mmiri mmiri iji tinye ihe polarization ziri ezi, enwere ike ime ka ọ bụrụ ihe mkpuchi kristal mmiri mmiri ma ọ bụ ihe na-eme ka ọ dị ka ...