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您现在所在的位置:首页 >> 仪器导购 >> 光学仪器组件>> 蓝宝石(Al2O3)棱镜

蓝宝石(Al2O3)棱镜

tel: 400-6699-117 1000

筱晓光子光学仪器组件, 蓝宝石具有多种生长方式。 Verneuil和Czochralski方法通常用于标准级蓝宝石材料。更高质量的蓝宝石,应用于......

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详细参数:

传输范围:                   0.17~5.5μm

折射率:              No 1.75449; Ne 1.74663(1.06μm)(1)

反射损耗:                   14% at  1.06μm

吸收系数:           0.3×10 -3 cm -1 at  2.4μm (2)

吸收峰:                          13.5μm

dn / dT:                  13.4×10 -6(0.546μm)(3)

dn /dμ= 0:                        1.5μm

密度:                          3.97g/cm3

熔点:                             2040℃

热导率:                    27.21W m-1K-1 at 300K

热膨胀:               5.6(para)& 5.0(perp)×10-6 / K *

硬度:                  Knoop 2000 with 2000g indenter

比热容量:                763JKg-1K-1(293K)(4)

介电常数:              11.5(para)9.4(perp)at 1MHz

杨氏模量(E):                     335GPa

剪切模量(G):                    148.1GPa

体积模量(K):                     240GPa

弹性系数:         C11 = 496 C12 = 164 C13 = 115 C33 = 498 C44 = 148

表观弹性极限:             300 MPa(45,000 psi)

泊松比:                           0.25

溶解度:                   98×10-6g / 100g water

分子量:                          101.96

类/结构:                     Trigonal(hex),R3c

折射率:

No = Ordinary Ray   Ne = Extraordinary Ray

μm   

No

Ne

μm   

No

Ne

μm   

No

Ne

0.193   

1.9288

1.9174

0.213 

1.8890

1.8784

0.222   

1.8754

1.8650

0.226   

1.8702

1.8599

0.244 

1.8506

1.8407

0.248   

1.8470

1.8372

0.257   

1.8393

1.8297

0.266 

1.8330

1.8236

0.280   

1.8244

1.8151

0.308   

1.8110

1.8020

0.325 

1.8047

1.7958

0.337   

1.8001

1.7921

0.351   

1.7969

1.7882

0.355 

1.7960

1.7883

0.442   

1.7804

1.7721

0.458   

1.7784

1.7702

0.488 

1.7753

1.7671

0.515   

1.7730

1.7649

0.532   

1.7717

1.7636

0.590 

1.7680

1.7600

0.633   

1.7659

1.7579

0.670   

1.7643

1.7563

0.694 

1.7634

1.7554

0.755   

1.7614

1.7535

0.780   

1.7607

1.7527

0.800 

1.7601

1.7522

0.820   

1.7596

1.7517

0.980   

1.7561

1.7482

1.064 

1.7545

1.7466

1.320   

1.7501

1.7423

1.550   

1.7462

1.7384

2.010 

1.7375

1.7297

2.249   

1.7323

1.7243

2.703   

1.719

1.711

2.941 

1.712

1.711

3.333   

1.701

1.693

3.704   

1.687

1.679

4.000 

1.674

1.666

4.348   

1.658

1.65

4.762   

1.636

1.628

5.000 

1.623

1.615

5.263   

1.607

1.599



订购信息:


产品型号: SAPPRISM10-60

IR Polished Sapphire (Al2O3) 60° prism

10 x 10 x 10mm 60° equiliateral dispersing prism.

A=B=C=H=10mm

Optic axis random direction.

 

产品型号: SAPPRISM10-60Z

IR Polished Sapphire (Al2O3) 60° prism

10 x 10 x 10mm 60° equiliateral dispersing prism.

A=B=C=H=10mm

Optic axis perpendicular to triangular faces

关于晶体切割:

Sapphire is slightly birefringent and so for critical optical or mechanical applications, the windows should be specified as 'zero degree', or 'c-cut', meaning that the optical axis of the material should be perpendicular to the plane of the window. If unspecified, the component will be of 'random' cut, but its worth noting that this is nearly always 60° to the optic axis as this is the 'softest' direction for the saw. Note that all sapphire is always single crystal, sub-grains are always avoided in the cut.


C-plane (0,0,0,1) = Z-cut

A-plane (1,1,-2,0) = Y-cut

M-Plane (1,0,-1,0) = X-cut R-Plane (1,0,-1,0)

Manufacturers seem unable to agree on the thermal expansion coefficient of sapphire, figures from 5.6 to 8.4 x 10-6 K are given. While there may be some variation due to the method of growth, and certainly due to the axis of cut, this variation is inexplicable.



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