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Cr YAG Qauv hloov Crystals

Cr 4+: Y 3 Al 5 O 12, qhov no hu ua Cr 4 +: YAG, yuav siv los ua haujlwm nruab nrab ntawm 1350 ~ 1600nm lasers thiab 900 ~ 1200nm passive Q-switching lasers. Cr 4+: YAG muab lub nqus dej hlais loj nyob hauv 900 ~ 1200 nm spectral cheeb tsam nrog lub chaw nyob ze ze 1064 nm, uas yog ...

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Cr YAG Qauv hloov Crystals

Kev piav qhia

Cr 4+ : Y 3 Al 5 O 12 , qhov no hu ua Cr 4 + : YAG, yuav siv los ua haujlwm nruab nrab ntawm 1350 ~ 1600nm lasers thiab 900 ~ 1200nm passive Q-switching lasers. Cr 4 + : YAG muab ib txoj kev nqus loj hauv cheeb tsam ntawm 900 ~ 1200 nm spectral nrog ib qho chaw nyob ze ze 1064 nm, uas zoo tsim nyog rau diode lossis teeb pumped Nd: YAG, Nd: YLF, Nd: YVO4, Yb: YAG lasers. Feem ntau, Cr 4+ : YAG tuaj yeem zus los ntawm Czochralski txoj kev. Ib qho kev faib me me ntawm Cr 3+ yog vim li cas thiaj li yuav nce nqi mus rau Cr 4+ los ntawm plaug daim ntawv them cov nqi impurities Ca 2+ thiab Mg 2+ . Nyob rau hauv lub xyoo tsis ntev los no, Cr 4+ : YAG noj qhov chaw ntawm cov khoom siv tawv nqaij xws li LiF thiab Dye owning ntau yam muaj koob nta, nrog rau kev zoo ntawm cov tshuaj zoo stability & thermal conductivity, UV resistant, thiab siab puas tsuaj thiab yooj yim rau kev ua haujlwm.

Cr: YAG yog ib lub laser muaj ntau lub laub uas nyob ze ze ntawm infrared laser kev tshwm sim los ntawm kev muaj tetravalent chromium ions nyob rau hauv ib lub koom haum uas tsim. Ntxiv nrog rau cov thermal, mechanical thiab optical qualities ntawm YAG, qhov zoo tshaj plaws feature ntawm Cr: YAG yog ib tug dav emission qhwv chaw nyob ze 1440 nm, thiab extending los ntawm kwv yees li 1100 rau 1600 nm. Nws lub spectrum absorption muaj peb pawg nruab nrab ntawm 480, 640, thiab 1000 tauj nm nrog cov twj paj nruag ntev ntev nyob rau ntawm qhov ntev ntawm 810 thiab 1080 nm. Cov khoom ntawm spectral ntawm cov khoom no tau coj los siv ntau yam Cr: YAG raws li ib qho kev hloov Q-hloov hauv Nd 3 + -las lasers. Xws li ib sab broadband bandwidth kuj tseem muaj ultrashort pulse tiam. Qiv-xauv qhov Cr: YAG lasers tau siv los muab cov zuag hluav taws uas muaj ntau zuj zus uas muaj ntau cov acetylene ntau zaus.


Kev Khwv Txaws ntawm Cr 4 : YAG Crystal

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Nta

• Tshaj xoob hlais loj hauv cheeb tsam 0.9 ~ 1.2 micrometer spectral

• Muaj kev puas tsuaj loj, kev thermal conductivity, stability tshuaj zoo

• Tsis muaj cov khoom siv hluav taws xob siab

• Compaction tsevneeg muaj kev cog lus

• Muaj kev ntseeg siab dua thiab ntev dua qub

• Cov nqi qis dua OEM


Daim ntaub ntawv

• Qee txoj kev Q Qiv rau Nd: YAG Lasers

• Qib Q Qis rau Yb: YAG Lasers

• Qib Q-Qis rau NdYVO4 Lasers

• Txhaj cog noob ntawm OPOs

• Hom qes log-kaw

• Kev Kho Mob Tom Zoo

• Siv cov lauj kaub rau ntawm erbium-doped lasers thiab amplifiers


Tshuaj lom neeg thiab lub cev

Cov khoom

Tus nqi

Tshuaj formula

Cr 4+ : Y 3 Al 5 O 12

Crystal qauv

cubic - la3d

Lattice tsis, Å

12.01

Kev Taw Qhia

[100] lossis [110] <± 0.5="">

Pawg ceev

4.56 g / cm 3

Mohs hardness

8.5

Hluas tus modulus

335 GPa

Tensile zog

2 GPa

Melting point

1970 ° C

Thermal conductivity

0.1213

Tshwj Xeeb / (J · g -1 · K -1 )

0.59

Thermal Expansion / (10 -6 / ° C @ 25 ° C)

7.8 <111>

7.7 <110>

8.2 <100>

Thermal poob siab ua haujlwm parameter

800 W / m

Ntxiv Kev Tshaj Tawm

25dB

Poisson Ratio

0.25

Refractive Index @ 1064 nm

1.83

Them nyiaj xiam oob khab

Ca 2+ , Mg 2+


Optical zog

Cov khoom

Tus nqi

Optical Ceev

0.1 mus rau 0.8

Fluorescence lub neej

3.4μs

Concentrations

0.5 mol% ~ 3 mol%

Emission wavelength

1350 nm ~ 1600 nm

Nqis Coefficient

1.0 cm -1 ~ 7 cm -1

Kev ua av hauv cheeb tsam lub cev

4.3 x 10 -18 cm 2

Txoj cai absorption hla lub xeev:

8.2 x 10 -19 cm 2

Kev kis

10% mus rau 90%

Coatings

AR% 0.2% @ 1064nm

Kev Tua Tseg Thaiv:

> 500 MW / cm 2


Kev Cuam Tshuam

Cov khoom

Tus nqi

Kev Ncaj Ncees

<0.5>

Thickness / Tooj Kev Ncaj Ncees

± 0.05 hli

Kev Xo Caij Nto

<λ 8="" @="" 632="">

Wavefront Distortion

<λ 4="" @="" 632="">

Nto Zoo

10/5

Tshajplaws

10 "

Perpendicular

5 '

Ntshiab Aperture

> 90%

Chammfer

<0.1 ×="" 45="">

Qhov ntev tshaj plaws

2 * 2-15 * 15 hli × 20 hli


Txheem cov khoom

Cov kis ntawm kev pib kis ntawm @ 1064nm

Dimensions, hli

Coatings

Kev Xo Caij Nto

Nto Zoo

(khawb / khawb)

T0 = ​​30%

Dia 5


ARU0.2% @ 1064nm

<λ 8="" @="" 632="">

10/5

3 x 3

5 x 5

T0 = ​​40%

Dia 5

3 x 3

5 x 5

T0 = ​​50%

Dia 5

3 x 3

5 x 5

T0 = ​​60%

Dia 5

3 x 3

5 x 5

T0 = ​​70%

Dia 5

3 x 3

5 x 5

T0 = ​​80%

Dia 5

3 x 3

5 x 5

T0 = ​​85%

Dia 5

3 x 3

5 x 5

T0 = ​​90%

Dia 5

3 x 3

5 x 5

T0 = ​​95%

Dia 5

3 x 3

5 x 5

T0 = ​​97%

Dia 5

3 x 3

5 x 5



Nrog Q hloov Crystals rau kev muag khoom, nws yog ib qho ntawm cov neeg ua lag luam thiab cov khoom siv ntawm cov khoom siv zoo txav, txais tos thiab cov khoom muag lag luam ntawm cov nqi ntawm peb lub koom haum.

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