Pulse Zog ntawm Er: iav Laser Transmitters

Nyob rau hauv lub teb ntawm laser ntau, lub hom phiaj, thiab LiDAR, Er: iav laser transmitters tau lug siv mid-infrared solid-state lasers vim lawv zoo heev qhov muag kev nyab xeeb thiab compact tsim. Ntawm lawv qhov kev ua tau zoo, lub zog pulse plays lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog kev muaj peev xwm nrhiav tau, kev pab them nqi ntau, thiab kev ua haujlwm tag nrho. Tsab ntawv xov xwm no muaj kev tsom xam qhov tob ntawm lub zog mem tes ntawm Er: iav laser transmitters.

1. Pulse Energy yog dab tsi?

Pulse zog hais txog tus nqi ntawm lub zog tawm los ntawm lub laser hauv txhua lub mem tes, feem ntau ntsuas hauv millijoules (mJ). Nws yog cov khoom ntawm lub zog siab tshaj plaws thiab lub sijhawm mem tes: E = P_ncov× t. Qhov twg: E yog lub zog pulse, P_ncov yog lub zog siab tshaj plaws,τ yog tus mem tes dav.

Rau ib txwm Er: iav lasers ua haujlwm ntawm 1535 nm—ib lub wavelength nyob rau hauv chav kawm 1 qhov muag-safe band—lub zog pulse siab tuaj yeem ua tiav thaum tswj kev nyab xeeb, ua rau lawv tshwj xeeb tshaj yog haum rau kev siv portable thiab sab nraum zoov.

2. Pulse Energy Range ntawm Er: iav Lasers

Nyob ntawm tus qauv tsim, lub twj tso kua mis txoj kev, thiab lub hom phiaj ntawm daim ntawv thov, kev lag luam Er: iav laser transmitters muab ib leeg-pulse zog xws li kaum tawm microjoules (μJ) mus rau ntau kaum millijoules (mJ).

Feem ntau, Er: iav laser transmitters siv nyob rau hauv me me xws li modules muaj ib tug mem tes zog ntau yam ntawm 0.1 mus rau 1 mJ. Rau cov hom phiaj ntev-ntev, 5 mus rau 20 mJ feem ntau yuav tsum tau, thaum cov tub rog lossis qib kev lag luam tuaj yeem tshaj 30 mJ, feem ntau siv dual-qhib lossis ntau-theem amplification qauv kom ua tiav cov zis ntau dua.

Lub zog pulse ntau dua feem ntau ua rau pom kev ua tau zoo dua, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej nyuaj xws li tsis muaj zog rov qab los lossis cuam tshuam ib puag ncig ntawm qhov ntev.

3. Yam cuam tshuam rau Pulse Energy

①Pump Source Performance

Er: Cov iav lasers feem ntau yog siv los ntawm laser diodes (LDs) lossis teeb nyem. LDs muaj kev ua haujlwm siab dua thiab kev sib cog lus tab sis xav tau cov thermal thiab tsav kev tswj xyuas Circuit Court.

②Doping Concentration thiab Qws Length

Cov khoom siv sib txawv xws li Er: YSGG lossis Er: Yb: iav sib txawv hauv lawv cov qib doping thiab nce ntev, cuam tshuam ncaj qha rau lub zog cia.

③Q-Switching Technology

Passive Q-hloov (piv txwv li, nrog Cr: YAG crystals) ua kom yooj yim rau cov qauv tab sis muaj kev txwv tsis pub muaj tseeb. Active Q-switching (piv txwv li, nrog Pockels hlwb) muab kev ruaj ntseg dua thiab tswj lub zog.

④Thermal Management

Thaum lub zog siab pulse, cov cua kub kom zoo los ntawm cov pas nrig laser thiab cov qauv cuab yeej yog qhov tseem ceeb los xyuas kom cov zis ruaj khov thiab ua haujlwm ntev.

4. Sib piv Pulse Energy rau daim ntawv thov scenarios

Xaiv txoj cai Er: iav laser transmitter nyob ntawm qhov xav tau ntawm daim ntawv thov. Hauv qab no yog qee qhov kev siv ntau thiab cov lus pom zoo siv lub zog pulse:

①Handheld Laser Rangefinders

Nta: compact, tsawg zog, high-frequency luv luv ntsuas

Pom zoo Pulse Zog: 0.5-1 mJ

②UAV Ranging / Obstacle Avoidance

Nta: nruab nrab-rau-ntev ntau, teb ceev ceev, lub teeb yuag

Pom zoo Pulse Zog: 1-5 mJ

③Tub Rog Lub Hom Phiaj Designators

Nta: kev nkag siab siab, muaj zog tiv thaiv kev cuam tshuam, kev taw qhia kev tawm tsam ntev

Pom zoo Pulse Zog: 10-30 mj

④LiDAR Systems

Nta: siab dua tus nqi, scanning lossis taw tes huab tiam

Pom zoo Pulse Zog: 0.1-10 mJ

5. Yav tom ntej Trends: Siab zog & Compact ntim

Nrog kev nce qib tsis tu ncua hauv iav doping thev naus laus zis, cov qauv twj tso kua mis, thiab cov khoom siv thermal, Er: iav laser transmitters tau hloov zuj zus mus rau kev sib xyaw ua ke ntawm lub zog siab, siab rov ua dua tus nqi, thiab miniaturization. Piv txwv li, cov tshuab ua ke nrog ntau theem kev nthuav dav nrog Q-hloov kev tsim qauv tam sim no tuaj yeem xa tawm ntau dua 30 mJ rau ib lub mem tes thaum tswj hwm daim ntawv cog lus.—zoo tagnrho rau kev ntsuas ntev thiab kev ntseeg siab tiv thaiv daim ntawv thov.

6. Cov lus xaus

Pulse zog yog qhov tseem ceeb ntawm kev ntsuas kev ntsuas thiab xaiv Er: iav laser transmitters raws li daim ntawv thov. Raws li cov thev naus laus zis laser txuas ntxiv mus, cov neeg siv tuaj yeem ua tiav cov khoom siv hluav taws xob ntau dua thiab ntau dua hauv cov khoom siv me me, muaj zog ntau dua. Rau cov tshuab uas xav tau kev ua haujlwm ntev ntev, qhov muag kev nyab xeeb, thiab kev ntseeg tau ntawm kev ua haujlwm, kev nkag siab thiab xaiv cov khoom siv hluav taws xob kom zoo yog qhov tseem ceeb rau kev ua kom muaj txiaj ntsig zoo thiab muaj txiaj ntsig.

Yog koj'rov nrhiav kev ua haujlwm siab Er: iav laser transmitters, xav tiv tauj peb. Peb muab ntau yam qauv nrog cov mem tes zog specifications xws li 0.1 mJ mus rau ntau tshaj 30 mJ, haum rau ntau yam kev siv hauv laser ntau, LiDAR, thiab lub hom phiaj tsim.