Ti:Sapphire

Nd:YAG

Nd:YVO?

晶體結(jié)構(gòu)

Hexagonal

Cubic

Zircon Tetragonal, Space Group D4h

熔點(diǎn)

2050℃

1970℃

密度

3.98 g/cm3

4.56 g/cm3

4.22 g/cm3

莫氏硬度

9

8.5

5

熱傳導(dǎo)系數(shù)

0.11 cal/(℃x secx cm)

14 W/m /K @20℃

||C: 5.23 W/m/K

10.5 W /m /K @100℃

^C: 5.10 W/m/K

熱膨脹系數(shù)

7.8 x 10?? /K [111],0 - 250℃

aa =4.43x10??/K

ac =11.37x10??/K

激射波長

660~1050nm(795nm0

1064nm

914nm,1064nm,1342nm

吸收范圍

400~600nm(488nm)

lamp pump

808nm

晶格常數(shù)

a=4.748, c=12.957

12.01

a=b=7.12,c=6.29

熒光壽命

3.2 μsec (T=300K)

230msec

90 msec (about 50ms for 2atm% Nd doped)@808nm

吸收系數(shù)

1.0~7.5cm?1@490nm

7.1 cm?1

31.4 cm?1@ 808 nm

折射率

1.76@800nm

1.82 @1064nm

no =1.9573, ne =2.1652@1064nm

極化發(fā)射

Unpolarized

Unpolarized

Parallel to Optic Axis (C-axis)

內(nèi)容

0.06-0.5 wt%Ti dopant

0.5-1.2 atm%Nd dopant(10% tolerance)

0.2-3 atm%Nd dopant(10% tolerance)

品質(zhì)因數(shù)

100-300

孔徑

2-50mm

3-14mm

1-20mm

路徑長度

2-130mm

1-60mm

0.02-20mm

結(jié)束配置

Flat/Flat or Brewster/Brewster Ends or Specified

晶體

Ti:Sapphire

Nd:YAG

      Nd:YVO4

晶向

Optical Axis C Normal to Rod Axis

<111>Crystalline Direction(+/-0.5℃)

a-cut Crystalline Direction(+/-0.5℃)

平行度

<10 arc seconds

光潔度

Better than 60/40 Scratch/Dig

Better than 20/10 Scratch/Dig

Better than 20/10Scratch/Dig

Per MIL-O-13830A

Per MIL-O-13830A

Per MIL-O-13830A

面形

<λ/10@633nm

<λ/10@632.8nm

<λ/10@632.8nm

透過波前

<λ/4 per inch@633nm

<λ/10 @632.8nm for 3-7mm

<λ/8@633nm

<λ/8 per inch@632.8nm for≥7mm

垂直度

<5 arc minutes

<5 arc minutes

<5 arc minutes

通光口徑

Central 90%

Central 95%

Central 95%

倒角

0.15*44°

0.15*45°

0.15*45°

損傷閥值

Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating)

Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating)

Over 15J/cm2(Rods without Coating) over 700MW/cm2(Coating)

鍍膜

AR@700-1100nm

a)AR@10664nm,R<0.1%

a)AR@10664nm,R<0.1%

b)AR@1064nm,R<0.1%;HT@808nm,T>95%

b)AR@1064nm,R<0.1%;HT@808nm,T>95%

c)HR@1064nm,R<99.8%;HT@808nm,T>95%

c)HR@1064nm,R<99.8%;HT@808nm,T>95%

d)HR@1064nm,R<99.8%;HT@808nm,T>95%;HR@532nm,R>99%

d)HR@1064nm,R<99.8%;HT@808nm,T>95%;HR@532nm,R>99%