Njikwa ugboro ugboro nke teknụzụ njikwa usu laser

Njikwa ugboro ugboro nketeknụzụ njikwa usu laser

1. Echiche nke ugboro ugboro nke pulse, ọnụego pulse laser (Ọnụego ugboro ugboro nke pulse) na-ezo aka na ọnụọgụ nke pulse laser na-ewepụta kwa oge otu, nke na-abụkarị na Hertz (Hz). pulse ugboro ugboro dị elu dabara adaba maka ngwa ugboro ugboro dị elu, ebe obere pulse ugboro ugboro dabara adaba maka ọrụ pulse otu ike dị elu.

2. Mmekọrịta dị n'etiti ike, obosara pulse na ugboro ole Tupu njikwa ugboro ole laser, a ga-ebu ụzọ kọwaa mmekọrịta dị n'etiti ike, obosara pulse na ugboro ole. Enwere mmekọrịta dị mgbagwoju anya n'etiti ike laser, ugboro ole na obosara pulse, na ịhazi otu n'ime paramita na-achọkarị ịtụle paramita abụọ ndị ọzọ iji mee ka mmetụta ngwa dịkwuo mma.

3. Ụzọ njikwa ugboro ugboro nke mkpali nkịtị

a. Ụdị njikwa mpụga na-ebunye akara ugboro ugboro n'èzí ọkụ eletrik, ma na-agbanwe ugboro ugboro pulse laser site na ijikwa ugboro na usoro ọrụ nke akara ibu. Nke a na-enye ohere ka pulse mmepụta ahụ kwekọọ na akara ibu, na-eme ka ọ dabara adaba maka ngwa ndị chọrọ njikwa ziri ezi.

b. Ụdị njikwa dị n'ime A na-arụnye akara njikwa ugboro ole n'ime ọkọnọ ike draịva ahụ, na-enweghị ntinye mgbaàmà mpụga ọzọ. Ndị ọrụ nwere ike ịhọrọ n'etiti ugboro ole arụnyere n'ime ya ma ọ bụ ugboro ole enwere ike ịgbanwe agbanwe maka mgbanwe ka ukwuu.

c. Ịgbanwe ogologo nke resonator ma ọ bụihe na-eme ka ihe na-arụ ọrụ elektrọnik rụọ ọrụEnwere ike ịgbanwe njirimara ugboro ole nke laser ahụ site na ịgbanwe ogologo nke resonator ma ọ bụ iji electro-optical modulator. A na-ejikarị usoro nhazi ugboro ole a eme ihe n'ọrụ ndị chọrọ ike nkezi dị elu na obosara mkpali dị mkpụmkpụ, dị ka micromachining laser na onyonyo ahụike.

d. Acousto optic Modulator(AOM Modulator) bụ ngwa dị mkpa maka njikwa ugboro ugboro nke teknụzụ njikwa pulse laser.Ihe nhazi AOMna-eji mmetụta acousto optic (ya bụ, nrụgide oscillation mechanical nke ebili mmiri ụda na-agbanwe ntụaka refractive) iji gbanwee ma chịkwaa ụdọ laser ahụ.

4. Teknụzụ mgbanwe intracavity, ma e jiri ya tụnyere mgbanwe mpụga, mgbanwe intracavity nwere ike ịmepụta ike dị elu, ike kachasị elu nke ọma.laser pulseNdị a bụ usoro nhazigharị oghere anọ a na-ahụkarị:

a. Na-agbanwe site na ịgbanwe isi iyi mgbapụta ngwa ngwa, mgbanwe ọnụọgụgụ ihe na-agbanwe agbanwe na uru na-amalite ngwa ngwa, na-agafe ọnụego radieshon a na-akpali akpali, na-ebute mmụba dị nkọ na foton n'ime oghere ahụ na mmepụta nke obere laser pulse. Usoro a bụ ihe a na-ahụkarị karịsịa na laser semiconductor, nke nwere ike imepụta mkpali site na nanoseconds ruo iri picoseconds, yana ọnụego ugboro ugboro nke ọtụtụ gigahertz, a na-ejikwa ya nke ukwuu n'ọhịa nke nkwukọrịta anya yana ọnụego nnyefe data dị elu.

Mgbanwe Q (Q-switching) Mgbanwe Q na-egbochi nzaghachi anya site n'iwebata nnukwu mfu n'ime oghere laser, na-enye ohere ka usoro mgbapụta ahụ mepụta mgbanwe ọnụọgụgụ ihe dị n'ime oghere gafere oke, na-echekwa nnukwu ike. Mgbe nke ahụ gasịrị, a na-ebelata mfu dị n'ime oghere ahụ ngwa ngwa (ya bụ, uru Q nke oghere ahụ na-abawanye), a na-agbanyekwa nzaghachi anya ọzọ, ka e wee wepụta ike echekwara n'ụdị mkpali dị mkpụmkpụ nke ukwuu.

c. Mkpọchi Mode na-emepụta mkpali dị mkpụmkpụ nke picosecond ma ọ bụ ọbụna femtosecond site na ijikwa mmekọrịta nkebi dị n'etiti ụdị ogologo dị iche iche na oghere laser. A na-ekewa teknụzụ mkpọchi mode n'ime mkpọchi mode na-adịghị arụ ọrụ na mkpọchi mode na-arụ ọrụ.

d. Ịwụfu oghere Site n'ịchekwa ike n'ime foton dị na resonator, jiri enyo oghere dị ala na-efu iji jikọta foton nke ọma, na-eme ka ọnọdụ mfu dị ala n'ime oghere ahụ ruo oge ụfọdụ. Mgbe otu okirikiri njem gburugburu gasịrị, a na-ewepụ "mgbawa" ike ahụ site na oghere ahụ site na ịgbanwe ihe dị n'ime oghere ngwa ngwa, dị ka ihe modulator acousto-optic ma ọ bụ ihe mkpuchi electro-optic, a na-ewepụtakwa obere laser pulse. Ma e jiri ya tụnyere Q-switching, iwepụ oghere nwere ike ịnọgide na-enwe obosara pulse nke ọtụtụ nanoseconds na ọnụego mmụgharị dị elu (dị ka ọtụtụ megahertz) ma nye ohere maka ike pulse dị elu, karịsịa maka ngwa ndị chọrọ ọnụego mmụgharị dị elu na mkpụmkpụ pulses. Tinyere usoro mmepụta pulse ndị ọzọ, enwere ike imeziwanye ike pulse.

Njikwa mkpali nkelaserbụ usoro dị mgbagwoju anya ma dị mkpa, nke gụnyere njikwa obosara pulse, njikwa ugboro pulse na ọtụtụ usoro nhazi. Site na nhọrọ ezi uche dị na ya na itinye usoro ndị a n'ọrụ, enwere ike ịgbanwe arụmọrụ laser nke ọma iji gboo mkpa nke ọnọdụ ngwa dị iche iche. N'ọdịnihu, site na mpụta na-aga n'ihu nke ihe ọhụrụ na teknụzụ ọhụrụ, teknụzụ njikwa pulse nke lasers ga-eweta ọganihu ndị ọzọ, ma kwalite mmepe nketeknụzụ lasern'akụkụ nke nkenke dị elu na ngwa sara mbara.