Nd: YAG Crystals

Khoom npe:Nd: YAG

Chemical Formula:Y3Al5O12

Crystal qauv:Kub

Lattice tsis tu ncua:12.01 Nws

Melting point:1970 ° C

Ceev:Ceev ceev 3

Reflective Index:1.82 ib

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Technical parameters

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Nd: YAG siv lead ua pas nrig yog siv hauv Laser npav tshuab thiab lwm yam khoom siv laser.
Nws yog tib yam khoom uas tuaj yeem ua haujlwm tsis tu ncua ntawm chav tsev kub, thiab yog qhov ua tau zoo tshaj plaws laser siv lead ua.
Tsis tas li ntawd, YAG (yttrium aluminium garnet) laser tuaj yeem doped nrog chromium thiab neodymium txhawm rau txhim kho qhov nqus cov yam ntxwv ntawm lub laser.The Nd, Cr: YAG laser yog lub xeev cov khoom laser.Chromium ion (Cr3+) muaj qhov dav dav. band;nws absorbs lub zog thiab hloov nws mus rau lub neodymium ions (Nd3 +) los ntawm txoj kev ntawm dipole-dipole interactions.Wavelength ntawm 1064nm yog emitted los ntawm no laser.
Lub laser txiav ntawm Nd:YAG laser yog thawj zaug pom nyob rau hauv Tswb Laboratories nyob rau hauv lub xyoo 1964.The Nd, Cr:YAG laser yog pumped los ntawm lub hnub ci hluav taws xob.By doping nrog chromium, lub zog nqus peev xwm ntawm lub laser yog txhim khu kev qha thiab ultra luv pulses yog emitted.

Basic Properties of Nd:YAG

Khoom npe	Nd: YAG
Tshuaj Formula	Y3Al5O12
Crystal qauv	Kub
Lattice tas li	12.01 Nws
Melting point	1970 ° C
kev taw qhia	[111] or [100],nyob rau hauv 5 °
Qhov ntom	4.5g / cm3
Reflective Index	1.82 ib
Thermal Expansion Coefficient	7.8 × 10-6 / K
Thermal conductivity (W / m / K)	14, 20 ° C / 10.5 ° C, 100 ° C
Mohs hardness	8.5
Radiative Lub Neej	550 mus
Fluorescence tshwm sim	230 mus
Linewidth	0,6nm ua
Loss Coefficient	0.003 cm-1 @ 1064nm

Basic Properties of Nd, Cr:YAG

Laser hom	Khoom
Pump Source Solar Radiation	Hnub Ci Radiation
Ua haujlwm wavelength 1.064 µm	1,064m ;ua
Cov tshuaj formula Nd3+:Cr3+:Y3Al5O12	Nd3+:Cr3+:Y3Al5O12
Crystal qauv Cubic	Kub
Melting point 1970 ° C	1970 ° C
Hardness 8-8.5	8-8.5
Thermal conductivity 10-14 W / mK	10-14 W / mK
Young's modulus 280 GPa	280 GPa

Technical Parameters

Dimension	siab tshaj txoj kab uas hla ntawm dia.40mm
Nd Dopant Level	0.0 ~ 2.0 hli
Txoj kab uas hla Tolerance	± 0.05 hli
Ntev Tolerance	± 0.5 hli
Perpendicularity	＜5′
Parallelism	＜10″
Wavefront distortion	L / 8
Flatness	hl/10
Nto zoo	10/5 @ MIL-O-13830A
Txheej	HR-Coating: R> 99.8% @ 1064nm thiab R＜5% @808nm
Txheej	AR-Coating (Ib txheej MgF2):R <0.25% ib qhov chaw (@1064nm)
Lwm yam HR txheej	Xws li HR @ 1064 / 532 nm, HR @ 946 nm, HR @ 1319 nm thiab lwm yam wavelengths kuj muaj
Kev puas tsuaj	> 500MW/cm 2