Sezvo mashandisirwo elaser ane simba guru achiramba achikura, ma laser diode bars ave akakosha munzvimbo dzakadai sekupomba laser, kugadzira maindasitiri, michina yekurapa, uye kutsvagurudza kwesainzi. Nekuwanda kwawo kwesimba, kugona kwayo kuchinjika, uye kushanda zvakanaka kwe electro-optical, zvishandiso izvi ndizvo zvinonyanya kukosha mumasisitimu mazhinji elaser emazuva ano. Asi pakati pezviratidziro zvakawanda zvekushanda kwelaser diode bar, parameter imwe inowanzo furatirwa asi yakakosha zvikuru: divergence angle. Chinyorwa chino chinoongorora hunhu, mavambo emuviri, uye zvinorehwa ne divergence angle mu laser diode bars—uye kuti optical design inogona sei kuibata zvinobudirira.
1. Chii chinonzi Divergence Angle?
Kona yekusiyana inotsanangura kuti danda relaser rinopararira sei parinopararira munzvimbo yakasununguka. Inoratidza kuti danda rinokura sei kubva pachikamu che emission. Mumabhawa elaser diode, kona yekusiyana inoratidza kusawirirana kwakasimba munzira mbiri huru:
Kurumidza Kufamba: Yakatarisana nepamusoro pebhawa. Nzvimbo inobuda mhepo yakamanikana zvikuru (kazhinji 1–2 µm), zvichiita kuti pave nemakona makuru ekusiyana, kazhinji 30°–45° kana kupfuura.
Axis Inononoka: Yakaenzana nehurefu hwebhawa. Nzvimbo yekuburitsa mhepo yakafara zvikuru (mazana ema microns), zvichikonzera ma angle madiki ekusiyana, kazhinji anenge 5°–15°.
Kusiyana uku kusina kuenzana idambudziko guru rekugadzira kubatanidzwa kwemasisitimu kunosanganisira mabara e laser diode.
2. Kwakatangira Kusiyana Kwemuviri
Kona yekusiyana inonyanya kutsanangurwa nechimiro che waveguide uye saizi ye emission facet:
Muchikamu chekukurumidza, nzvimbo inoburitsa mweya idiki zvikuru. Zvichienderana nedzidziso ye diffraction, maburi madiki anokonzera kusiyana kukuru.
Muchikamu chinononoka, danda rinokura pamwe chete nehurefu hwebhawa kuburikidza nemagetsi akawanda, zvichikonzera kona yekusiyana diki.
Nekuda kweizvozvo, mabara e laser diode anoratidza musiyano mukuru mu fast axis uye musiyano wakaderera mu slow axis.
3. Kuchinja-chinja kweAngle Kunokanganisa Sei Kugadzirwa Kwemasystem
① Mutengo Wakakwira weCollimation neBeam Designing
Nekuda kwekusawirirana kwakanyanya kwemwenje werima, magirazi eFAC (Fast Axis Collimation) neSAC (Slow Axis Collimation) anofanira kushandiswa. Izvi zvinowedzera kuomarara kwesystem uye zvinoda kunyatsoiswa kwakakodzera uye kugadzikana kwekupisa.
② Kushanda zvakanaka kweFiber Coupling
Kana uchibatanidza mabara elaser mu multimode fibers, optical systems, kana aspheric lenses, musiyano mukuru we fast-axis unogona kutungamira ku "spillover" yemwaranzi, zvichideredza kushanda zvakanaka kwekubatanidza. Kusiyana ndiko kunokonzera kurasikirwa kwemaziso.
③ Hunhu hweBeam muModule Stacking
Mumamodule ane mitsetse yakawanda, kusiyana kusina kudzorwa zvakanaka kunogona kukonzera kuenzana kwemwaranzi kana kukanganisa nzvimbo dziri kure, zvichikanganisa kunyatsojeka kwekutarisa uye kupararira kwekupisa.
4. Maitiro Ekudzora uye Kugadzirisa Kusiyana muLaser Diode Bars
Kunyangwe musiyano uchinyanya kutsanangurwa nechimiro chemudziyo, nzira dzakasiyana-siyana dzehurongwa dzinogona kushandiswa pakugadzirisa:
①Kushandisa Magirazi eFAC
Kuisa lenzi ye fast-axis collimation pedyo ne emitting facet kunodzvanya danda uye kunoderedza kusiyana kwe fast axis—izvi zvakakosha mumagadzirirwo mazhinji.
②Magirazi eSAC ekuwedzera kuumbwa
Kunyange zvazvo musiyano we slow-axis uri mudiki, kuumbwa kwemifananidzo kuchiri kudiwa mu arrays kana line-light sources kuti pave ne output yakafanana.
③Kubatanidza Beam uye Optical Shaping Design
Kushandisa ma micro-lens arrays, ma cylindrical lenses, kana structured optics zvinogona kubatsira kugadzira ma laser beams akawanda kuita kuti abudise chiedza chakafanana.
④Kugadzirisa Mafambiro Emuchina Padanho Rekushandisa
Kugadzirisa ukobvu hwechikamu chinoshanda, dhizaini yewaveguide, uye magadzirirwo egridi zvinogona kunatsiridza musiyano wefast-axis kubva padanho rechip.
5. Kudzora Kusiyana-siyana muZvishandiso zveNyika Chaiyo
①Matsime ePombi yeLaser
Mumasystem e-solid-state kana fiber laser ane simba guru, ma-laser diode bars anoshanda semapombi. Kudzora kusiyana-siyana—kunyanya mu-fast axis—kunovandudza kushanda zvakanaka kwekubatanidza uye kutarisisa beam.
②Zvishandiso Zvekurapa
Kune masisitimu akadai se laser therapy uye kubvisa bvudzi, kugadzirisa musiyano kunoita kuti simba riwanikwe zvakaenzana uye kurapwa kwakachengeteka uye kunoshanda.
③Kugadziriswa Kwezvinhu zveMaindasitiri
Mukushongedza nekucheka nelaser, kupatsanurwa kwakagadziriswa kunobatsira kuti pave nesimba rakawanda, kutarisisa zviri nani, uye kugadzirisa kwakanyatsojeka uye kunoshanda.
6. Mhedziso
Kona yekusiyana kwebhawa re laser diode inzvimbo yakakosha yekuchinja—kubva pa micro-scale chip physics kuenda ku macro-scale optical systems.
Inoshanda sechiratidzo chemhando yemwenje uye muganhu wekugadzira kubatanidzwa. Sezvo zvinodiwa zvekushandisa uye kuoma kwehurongwa zvichiramba zvichikwira, kunzwisisa nekudzora kusiyana kunova hunyanzvi hukuru hwevagadziri velaser nevanobatanidza zvakafanana—kunyanya pakufambira mberi kune simba rakakwirira, kupenya, uye kuvimbika.
Nguva yekutumira: Chikunguru-14-2025