Nd YAG Crystal

Nd YAG Crystal
Chat Now
Product Details

2.png

•  Wide absorption bandwidth

•  Low lasing threshold

•  High slope efficiency

•  Large luminescence cross-section

•  Linearly polarized emission and single-mode output


X7(HAR$Y{AJ4R0K6]~)TV2G.png

Nd YAG lasers are widely used in different medical fields such as dermatology laser 

110020-12267135.jpg

 • Used in ophthalmology to correct posterior capsular opacification


 • Used extensively in the field of cosmetic medicine for laser hair removal


 • Can be used to remove skin cancers


 • In certain cases these lasers are also used to treat eye floaters.


Other applications

1.png

Laser marking machine


9328-5610803.jpg

Metal cutting machine


16534-2468243.jpg

Pulsed Solid-state laser

》More information about Nd YAG: Wikipedia


9$_J]79ZWRE[LXUVLY{[4[9.png

Low bulk absorption

High Purity raw materials >99.999%

Low bulk absorption

Advanced raw material pre-sintering process

Advanced raw material pre-sintering process

No poly-crystalline defects


0MNVJDCA2A25N}IIXPHE[74.png

G@EMBTIU[D7[65)J%PQZ1MP.png


2.png


3.png


① Full automatic controlled crystal growth furnace High yield

② Advanced CZ Method Crystalline Process Stable quality control

③ Systematic batch packing classification

》More information about Equipments


MVIR}[QD4ZK8G{WXRBLSTXV.png

_IXG}@7YPPMJ560DKH5@ESJ.png


Maximum boule size >dia50mm

0I03HLAF4@]R}RX4GV36RET.png



Nd3+concentration increased by post-annealing process,high absorption coefficient

K]JLCQ7Z1641`T%{%]7{[AI.png



High doping concentration gradient homogeneity , typical value<0.02cm-1/inch

RRCD7@CI}H8}GCWN1[T_Q7C.png



No bubbles, scatering point and inclusions in crystals


5XO0K{4T96YJU$OJIVWV7~P.png



No grain boundary in crystals



》More information about Crystal Growth


)[Y8DL5%}F9C69N`SL%N8KS.png

X$TZ)U0JBB7~VJN6DG8MOL3.png

High level dust-free clean room 

(1000) grade)


CWR6}Z6XNQK]UK)I9AVTV3M.png

2-sides polishing equipments


]T7LQ8%TNVM{ED1)F5J_1C5.png

AFM


P3(K2YDTJHSP7[EH669WIOO.png

Interferometer

Advance CMP process, Ra<0.4nm          

Surface quality: >10/5           

Flatness: <λ/8@632 nm


》More information about Polishing


W2_%PIRAD}SCMR2Z~G_X[JW.png

ZPCL1H3%D0QF71F_F5AW5GM.png       Customized coating service 

      S1/S2:

      AR/AR@940+1030nm;
              HR@1030nm+HT@940+AR1030nm;

》More information about Coating


JWDXUJRU$4HXAJ}D[JHD`CS.png

Properties

Nd:YAG

Crystal Structure  

cubic - la3d

Lattice Constants

12.01Ä

Density  

4.56 g/cm3

Melting Point  

1950°C

Refractive Index  

n= 1.8197 @1.064 µm  

Thermal Conductivity /(W·cm-1·K-1@25°C)

0.14 W

Specific Heat/ (J·g-1·K-1)

0.59

Thermal Expansion /(10-6/°C@25°C ) 

6.9

Hardness (Mohs)  

8.5

Young`s Modulus /GPa

317  

Shear Modulus / GPa

54.66  

Extinction Ratio

25dB

Poisson Ratio

0.25


PQBQY(Z[LZB5T@87(~)Q$PS.png

Nd Concentration tolerance (atm%)                            

0.3-1.5%                                                                       

Orientation

[001] or [110] or [111] < ±0.5°

Parallel

10〞

Perpendicular

surface Quality

10/5

Wavefront Distortion

λ/4@632nm

Surface Flatness

λ/8@632nm

Clear Aperture

>95%

Chamfer

<0.2×45°

Thickness/Diameter Tolerance

±0.05 mm

Maximum dimensions

dia (3~12.7)×(3~150)mm

Coatings

AR/AR@940+1030;

HR@1030+HT@940+AR1030;

[GTJ][%8[GT$6U9YDQAAZBL.png

Pump transition wavelength, λp (nm)  

808

Laser transition wavelength, λl (nm)

1064

Pump transition bandwidth,Δλp (nm)

<4

Laser transition bandwidth, Δλl (nm)

~0.6

Pump transition peak cross section,σp (E-20 cm2)

6.7

Laser transition peak cross section, σl (E-20 cm2)

28

Pump transition saturation intensity,φp (kW/cm2)

12

Laser transition saturation intensity, φl (kW/cm2)

2.6

Laser transition saturation fluence, Γl,sat (J/cm2)

0.6

Minimum pump intensity, Imin (kW/cm2)

~0

Upper laser manifold lifetime,τ(msec)

0.26

Quantum defect fraction

0.24

Fractional heat generation

0.37

send inquiry.png If you want to get more information send us your message


29C$ACY3UN9GY9L0ZM$SR[D.png

Nd YAG absorption.png

Absorption Spectrum of 1%Nd:YAG crystal


QE_1~U}RX{~SH{~3FT5C(02.png

History: 

Metalaser has engaged in crystal industry over 20 years which is one section    of Shanghai Daheng Optics and Fine Mechanics Co., Ltd held by SIOM. 

Team:     

NPK2X2W]HTVF7HKA6DP}HK2.png




More than 60% of our employees are physics or material scientists from NIALT and SIOM.





》More information about our company

Alibaba Transaction History:

TMZ~TWE6~(JA5`XQ00]4%[Y.png

We have set up a mall on the Alibaba, and there are many transaction record from all over the world.    

》Our Alibaba trade website

           

}D%SW`7WXMXCY6ZJ1O9LIDC.png

7A41$[N7T@{9$VFFZY)4W`7.png



Delivery in 3~4weeks

L3[LBC~EY6X0U3CZAPD56)1.png



Free samples can be provided

N[7XUS4F3}S`E$FF79%IB{O.png



Free ex change goods or sales return for once 

F6~FFK[X$]INB]AW8X]XI2R.png



Provides re-polished and coating

services (Coating damage only)

》More information about Service


Feedback