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品牌 | 其他品牌 | 價(jià)格區間 | 面議 |
---|---|---|---|
組成要素 | 半導體激光器產(chǎn)品及設備 | 產(chǎn)地類(lèi)別 | 進(jìn)口 |
應用領(lǐng)域 | 化工,建材,電子 |
藍寶石Al2O3 因其極度的韌性和強度可以很好的應用為UV,VIS和NIR光譜波段的光學(xué)窗片材料。
藍寶石具有多種生長(cháng)方式。 Verneuil和Czochralski方法通常用于標準級藍寶石材料。 更高質(zhì)量的藍寶石,應用于電子基板的由Kyropulos生長(cháng)制造,這可以得到非常高的純度,具有優(yōu)良的紫外透射特性。 在IR中的使用范圍被限制在約5μm,并且在任何光學(xué)級別中遇到很少的困難。 它在紫外線(xiàn)范圍內,必須注意觀(guān)察,因為從140nm到240nm的透射對雜質(zhì)和間隙空位非常敏感。大片藍寶石可以通過(guò)色帶生長(cháng)制成。 藍寶石具有輕微的雙折射性,通常的IR窗口通常以隨機的方式從晶體切割,也有對于雙折射的特定應用,選擇取向。 通常這是光軸與表面平面成90度,稱(chēng)為“零度"材料。 合成光學(xué)藍寶石沒(méi)有著(zhù)色。
*請注意,所有制造商似乎對熱膨脹的實(shí)際數字不統一!
技術(shù)參數:
傳輸范圍: | 0.17~5.5μm |
折射率: | No 1.75449; Ne 1.74663(1.06μm)(1) |
反射損耗: | 14% at 1.06μm |
吸收系數: | 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 |
熔點(diǎn): | 2040℃ |
熱導率: | 27.21W m-1K-1 at 300K |
熱膨脹: | 5.6(para)& 5.0(perp)×10-6 / K * |
硬度: | Knoop 2000 with 2000g indenter |
比熱容量: | 763JKg-1K-1(293K)(4) |
介電常數: | 11.5(para)9.4(perp)at 1MHz |
楊氏模量(E): | 335GPa |
剪切模量(G): | 148.1GPa |
體積模量(K): | 240GPa |
彈性系數: | C11 = 496 C12 = 164 C13 = 115 C33 = 498 C44 = 148 |
表觀(guān)彈性極限: | 300 MPa(45,000 psi) |
泊松比: | 0.25 |
溶解度: | 98×10-6g / 100g water |
分子量: | 101.96 |
類(lèi)/結構:(hex),R3c | Trigonal(hex),R3c |
光譜透射曲線(xiàn):
折射率:(No = Ordinary Ray Ne = Extraordinary Ray)
um | No | Ne | um | No | Ne | um | 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 |
藍寶石(Al2O3)圓形窗片:
訂購信息:
訂購型號 | 規格(D×L) | 方向 | 應用范圍 |
SAPP10-2 | 10.0×2.0mm | Random | IR |
SAPP12-1 | 12.0×1.0mm | Random | IR |
SAPP12-2 | 12.0×2.0mm | Random | IR |
SAPP12-4 | 12.0×4.0mm | Random | IR |
SAPP15-2 | 15.0×2.0mm | Random | IR |
SAPP18-4 | 18.0×4.0mm | Random | IR |
SAPP20-2 | 20.0×2.0mm | Random | IR |
SAPP25-0.5 | 25.0×0.5mm | Random | IR |
SAPP25-1 | 25.0×1.0mm | Random | IR |
SAPP25-2 | 25.0×2.0mm | Random | IR |
SAPP25.4-1 | 25.4×1.0mm | Random | IR |
SAPP26-1 | 26.0×1.0mm | Random | IR |
SAPP35-2 | 35.0×2.0mm | Random | IR |
關(guān)于晶體切割:
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.Al2O3 圓形藍寶石窗片 Al2O3 圓形藍寶石窗片
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