Mune yemazuva ano laser application, bhiza mhando yave imwe yeakanyanya kukosha metrics yekuongorora iyo yakazara kuita kwelaser. Kana zvakadaro's micron-level chaiyo yekucheka mukugadzira kana kureba-kuonekwa mu laser kubva, bhiza mhando kazhinji inotaridza kubudirira kana kutadza kwechishandiso.
Saka, chii chaizvo chinonzi beam quality? Inobata sei laser performance? Uye munhu angasarudza sei mhando yedanda remhando kuti rienderane nezvinodiwa zvekushandisa?
1. Chii chinonzi Beam Quality?
Zvichitaurwa zviri nyore, beam mhando inoreva nzvimbo yekuparadzira maitiro eiyo laser danda. Inotsanangura kuti danda rinogona kutarisa zvakanaka sei, maitiro aro akasiyana, uye kuti simba raro rinogovaniswa sei zvakafanana.
Mune yakanaka kesi, iyo laser beam inofanana neyakakwana Gaussian danda, ine diki divergence angle uye yakanyanya kutarisisa kuita. Nekudaro, nekuda kwezvinhu zvakaita semagadzirirwo emhando, zvivakwa zvezvinhu, uye mhedzisiro yekupisa, chaiyo-yepasi laser matanda anowanzo tambura nekupararira, kukanganisa, kana multimode kupindira.-nokudaro kuderedza danda kunaka.
2. Common Beam Quality Indicators
①M² Factor (Beam Propagation Factor)
Iye M² kukosha ndiyo yekutanga parameter inoshandiswa kuongorora kunaka kwebeam.
M² = 1 inoratidza danda reGaussian rakakwana.
M² > 1 inoreva kuti mhando yedanda inodzikisira, uye kugona kwekutarisa kunowedzera.
Mukushandiswa kwemaindasitiri, M² tsika dziri pasi pe1.5 dzinowanzodiwa, nepo sainzi-giredhi lasers ichivavarira M² tsika dziri pedyo ne1 sezvinobvira.
②Beam Divergence
Beam divergence inotsanangura kuti yakawanda sei iyo laser beam inowedzera sezvainopararira pamusoro pemadaro marefu.
Makona madiki ekusiyana anoreva matanda akanyanya kunangana, madiki anotarisisa makwapa, uye nemazvo makuru pamusoro pemadaro marefu.
③Beam Profile uye Energy Distribution
Danda remhando yepamusoro rinofanira kunge riine symmetric, yunifomu yedanda profile ine yakakwirira-yakanyanya muzinda. Izvi zvinogonesa kujeka uye kudzoreka simba kubuda kwekucheka, kumaka, uye mamwe maapplication.
3. Maitiro eBeam Quality Inobata sei Real-World Applications
①Precision Processing (Kucheka/Welding/Kumaka):
Beam mhando inosarudza focal spot size uye simba density, zvichikanganisa machining nemazvo uye kushanda nesimba.
②Medical Lasers:
Beam mhando inokanganisa kuti simba rinounzwa sei kumatishu uye kuti kupararira kwekushisa kunodzorwa sei.
③Laser Kutarisa / LIDAR:
Beam mhando inopesvedzera zvakananga chiyero chekutsvaga uye kugadziriswa kwenzvimbo.
④Optical Communication:
Beam mhando inokanganisa chiratidzo modhi kuchena uye bandwidth simba.
⑤Tsvagiridzo yeSainzi:
Beam quality inovimbisa kuwirirana uye kugadzikana mukuvhiringidza kana nonlinear optical miedzo.
4. Zvinhu Zvikuru Zvinobata Beam Quality
①Laser Structure Design:
Single-mode lasers kazhinji inopa zvirinani danda kunaka pane akawanda-modhi lasers.
②Wana Medium & Resonator Dhizaini:
Izvi zvinopesvedzera kugovera kwemodhiyo uye kugadzikana kwebeam.
③Thermal Effect Management:
Kushata kwekupisa kupisa kunogona kutungamira kune thermal lensing uye danda kukanganisa.
④Pump Uniformity & Waveguide Chimiro:
Kusaenzana kupomba kana kukanganisa kwechimiro kunogona kukonzera kuparara kwebeam shape.
5. Maitiro ekuvandudza Beam Quality
①Optimize Device Architecture:
Shandisa single-mode waveguides uye symmetric resonator dhizaini.
②Thermal Management:
Batanidza masingi ekupisa kana kutonhora kunoshanda kuti uderedze kukanganiswa kwedanda.
③Beam-Shaping Optics:
Isa macollimator, mafirita epamhepo, kana modhi inoshandura.
④Digital Control & Feedback:
Shandisa real-time wavefront kuona uye adaptive optics kuti uwane kururamisa kwakasimba.
6. Mhedziso
Beam mhando inopfuura kungoita chimiro chemuviri-it's ivo“kodhi chaiyo”ye laser's performance.
Mumashandisirwo epasirese epasirese, yakakwira danda mhando inogona kuwedzera zvakanyanya mashandiro, huchokwadi, uye kuvimbika kwema laser system. Kune vashandisi vari kutsvaga kuita kwepamusoro uye kuenderana, mhando yebeam inofanirwa kuve yakakosha kufunga kana uchisarudza laser.
Sezvo tekinoroji yelaser ichiramba ichishanduka, tinogona kutarisira zvirinani kudzora danda mumidziyo midiki uye yakakwirira simba density-kugadzira nzira yemikana mitsva mukugadzirwa kwepamberi, mushonga chaiwo, aerospace, uye nezvimwe.
Nguva yekutumira: Jul-22-2025