Imingcele eyisisekelo yesistimu ye-laser

Imingcele eyisisekelo ye-uhlelo lwe-laser

Emikhakheni eminingi yohlelo lokusebenza efana nokucutshungulwa kwezinto, ukuhlinzwa nge-laser nokuzwa ukude, nakuba kunezinhlobo eziningi zezinhlelo ze-laser, zivame ukwabelana ngemingcele evamile evamile. Ukusungula isistimu yamagama epharamitha ehlanganisiwe kungasiza ukugwema ukudideka ekukhulumeni futhi kuvumele abasebenzisi ukuthi bakhethe futhi balungiselele amasistimu e-laser nezingxenye ngokunembe kakhudlwana, ngaleyo ndlela kuhlangatshezwane nezidingo zezimo ezithile.

Imingcele eyisisekelo

I-Wavelength (amayunithi ajwayelekile: nm ukuya ku-μm)

I-Wavelength ibonisa izici zokuvama kwamaza okukhanya akhishwa i-laser emkhathini. Izimo ezihlukene zohlelo lokusebenza zinezidingo ezihlukene zamaza wamaza: Ekucutshungulweni kwezinto, izinga lokumunca lezinto zobude obuthile liyahlukahluka, okuzothinta umphumela wokucubungula. Kuzinhlelo zokusebenza zokuzwa okukude, kunomehluko ekumunceni nasekuphazamisekeni kwamagagasi ahlukene obude bomkhathi. Ezinhlelweni zezokwelapha, ukumuncwa kwama-laser ngabantu bemibala ehlukene yesikhumba nakho kuyahlukahluka kuye ngobude begagasi. Ngenxa yendawo encane okugxilwe kuyo, ama-laser amaza amaza amafushane kanyeamadivaysi laser opticalbabe nenzuzo ekudaleni izici ezincane nezinembayo, ezikhiqiza ukushisa okuncane kakhulu kwe-peripheral. Kodwa-ke, uma kuqhathaniswa nama-laser anamaza amade amade, ngokuvamile ayabiza kakhulu futhi asengozini yokulimala.

2. Amandla namandla (Amayunithi ajwayelekile: W noma J)

Amandla e-laser avamise ukukalwa ngama-watts (W) futhi asetshenziselwa ukukala ukuphuma kwama-lasers aqhubekayo noma amandla amaphakathi ama-pulsed lasers. Kuma-lasers ashayayo, amandla e-pulse eyodwa alingana ngokuqondile namandla amaphakathi futhi ahambisana ngokuphambene nemvamisa yokuphindaphinda, neyunithi ibe i-joule (J). Uma amandla noma amandla aphezulu, izindleko ze-laser zivame ukuba phezulu, isidingo sokuqothula ukushisa siba sikhulu, nobunzima bokugcina ikhwalithi ye-boam enhle nayo ikhuphuka ngokufanele.

Amandla e-Pulse = isilinganiso sokuphindaphinda amandla Amandla e-Pulse = isilinganiso sokuphindaphinda kwamandla

3. Ubude be-pulse (Amayunithi ajwayelekile :fs ukuya ku-ms)

Ubude be-laser pulse, eyaziwa nangokuthi ububanzi be-pulse, ngokuvamile buchazwa njengesikhathi esithathayolaseramandla okukhuphukela kuhhafu wokuphakama kwawo (FWHM) (Umfanekiso 1). Ububanzi be-pulse bama-laser asheshayo bufushane kakhulu, ngokuvamile busukela kumasekhondi (amasekhondi angu-10⁻¹²) kuye kuma-attosecond (amasekhondi angu-10⁻¹⁸).

4. Izinga lokuphindaphinda (Amayunithi ajwayelekile :Hz ukuya ku-MHZ)

Izinga lokuphinda ai-pulsed laser(okungukuthi, imvamisa yokuphindaphinda ukushaya kwenhliziyo) ichaza inani lama-pulses akhishwa ngomzuzwana, okungukuthi, ukuphindaphinda kwezikhala ze-timing pulse (Umfanekiso 1). Njengoba kushiwo ngaphambili, izinga lokuphindaphinda lilingana ngokuphambene namandla okushaya kwenhliziyo futhi lilingana ngokuqondile namandla amaphakathi. Nakuba izinga lokuphindaphinda ngokuvamile lincike ekuzuzeni kwe-laser, ezimweni eziningi, izinga lokuphindaphinda lingahluka. Uma izinga lokuphindaphinda liphakeme, isikhathi sokuphumula esishisayo sobuso be-laser optical element kanye nendawo egxilile yokugcina siba sifushane, ngaleyo ndlela kuvumela okokusebenza ukuthi kushise ngokushesha.

5. Ubude bokuhambisana (Amayunithi avamile :mm ukuya ku-cm)

Ama-Lasers anokubambisana, okusho ukuthi kukhona ubuhlobo obunqunyiwe phakathi kwamanani wesigaba senkambu kagesi ngezikhathi ezahlukene noma izikhundla. Lokhu kungenxa yokuthi ama-laser akhiqizwa umoya okhuthaziwe, ohlukile kwezinye izinhlobo eziningi zemithombo yokukhanya. Phakathi nayo yonke inqubo yokusabalalisa, ukuhambisana kancane kancane kuba buthaka, futhi ubude bokuhambisana kwe-laser buchaza ibanga lapho ukuhambisana kwayo kwesikhashana kugcina isisindo esithile.

6. I-polarization

I-polarization ichaza isiqondiso senkambu kagesi yamagagasi okukhanya, okuhlala ku-perpendicular ekuqondeni kokusabalalisa. Ezimweni eziningi, ama-laser ahlukaniswa ngokwemigqa, okusho ukuthi inkambu kagesi ekhishiwe ihlale ikhomba ohlangothini olufanayo. Ukukhanya okungeyona i-polarized kudala izinkambu zikagesi ezikhomba ezindaweni eziningi ezahlukene. Izinga le-polarization livamise ukuvezwa njengesilinganiso samandla okubona wezifunda ezimbili ze-orthogonal polarization, njengokuthi 100:1 noma 500:1.