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氟化钡(BaF2)棱镛/span>

氟化钡能很好应用于光谱组件、/span>氟化钡通常适用于无溏/span>IR波段'/span>8~14m)的应用,通常用作热成像的窗片 对于相同厚度,比氟化钙的透射范围进一步延伸到IR中大?/span>1mm 主要用于IR应用,并注意到具月/span>IR抛光的视窗可能在由低纯度BaF 2晶体制成皃/span>VUV中具有受限的透射性能、/span>

氟化钡通过真空Stockbarger技术生长 不/span>CaF2不同+/span>BaF2不以天然状态存在,并且所有材料必须化学合成,使得BaF2生产相对昂贵。氟化钡容易裂开,对热冲击非常敏感。它抛光好可以蚀刻。不是所有的晶体都是?*等级的化学品制造的;对于IR级光学器件,较低规格是足够的并且降低了成本,然而在UV咋/span>VUV中的透射受到限制?*纯度的氟化钡VUV材料可以被认为是快闪烁级、/span>

应用9/span>

快速闪烁体材料,热成像窗片,高能物理实骋/span>

详细参数9/span>

透射波段范围9/span> 0.15~12m(注意:IR级可能在UV下的性能受限(/span>

折射率:1.45'/span>5m)(1(/span>

反射损耗:6.5at 5%(2个表面)

吸收系数9/span> 3.210-4cm-1@6m

吸收峰:47m

dn / dT-15.210-6/℃(2(/span>

dn /d= 01.95m

密度9/span> 4.89g / cc

熔点9/span> 1386ℂ/span>

导热率:11.72W m-1K-1@ 286K

热膨胀9/span> 18.110-6/ℂ/span>@273K

硬度9/span> Knoop 82 with 500g indenter'/span>4(/span>

比热容量9/span> 410JKg-1K-1'/span>3(/span>

介电常数9/span> 7.33 at 1MHz

杨氏模量'/span>E):53.07GPa'/span>3(/span>

剪切模量'/span>G):25.4GPa'/span>3(/span>

体积模量'/span>K):56.4GPa

弹性系数:C11 = 89.2 C12 = 40.0 C44 = 25.4'/span>2(/span>

表观弹性极限:26.9MPa'/span>300psi)(4(/span>

泊松比:0.343

溶解性:0.17g / 100g water+/span>23ℂ/span>

分子量:175.36

籺/span>/结构 立方CaF2+/span>Fm3m,(111)裂觢/span>

折射率:

No = Ordinary Ray

m

No

m

No

m

No

0.1408

1.8150

0.1452

1.7820

0.1477

1.7670

0.1500

1.6780

0.2000

1.557

0.2652

1.5122

0.2803

1.5066

0.2893

1.5039

0.2967

1.5019

0.3021

1.5004

0.3130

1.4978

0.3254

1.4952

0.3403

1.4925

0.3466

1.4915

0.3610

1.4894

0.3663

1.4887

0.4046

1.4844

0.5461

1.4759

0.5893

1.4744

0.6438

1.4730

0.6563

1.4727

0.7065

1.4718

0.8521

1.4699

0.8944

1.4694

1.0140

1.4685

1.1287

1.4678

1.3673

1.4667

1.5295

1.4661

1.6810

1.4656

1.7012

1.4655

1.9701

1.4647

2.3254

1.4636

2.6738

1.4623

3.2434

1.4602

3.4220

1.4594

5.1380

1.4501

5.5490

1.44732

6.2380

1.4422

6.6331

1.4390

7.0442

1.4353

7.2680

1.4331

9.7240

1.4051

10.346

1.3936

订购信息9/span>

订购型号9/span>BAFPRISM25.4-60

IR Polished Barium Fluoride (BaF2) 60 prism

25.4 x 25.4 x 25.4mm 60 equiliateral dispersing prism.

Polished three faces

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