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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25mm Dia. x 100mm FL, 3 - 12μm Coated, Ge Plano-Convex Lens

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Stock #87-949 5-7 Days
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NT$25,025
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Specifications

概況

Type:
Plano-Convex Lens

物理和機械特性

Diameter (mm):
25.00 +0.0/-0.1
Centering (arcmin):
<3
Center Thickness CT (mm):
3.00 ±0.10
Edge Thickness ET (mm):
2.74
Clear Aperture CA (mm):
24
Bevel:
Protective bevel as needed

光學特性

Effective Focal Length EFL (mm):
100.00 @ 10.6µm
Back Focal Length BFL (mm):
99.25
Coating:
BBAR (3000-12000nm)
Coating Specification:
Ravg <5.0% @ 3 - 12μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Germanium (Ge)
Surface Quality:
60-40
Radius R1 (mm):
300.39
f/#:
4.00
Numerical Aperture NA:
0.13
Wavelength Range (nm):
3000 - 12000

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

產品概覽

  • 提供 3 - 5、3 – 12 以及 8 - 12µm 的鍍膜和無鍍膜選項
  • 低色散具有低色差
  • 適合於防禦、安全及熱成像等應用
  • 另有其他常見基材的 紅外透鏡可選
  • 由於鍺的材料供應鏈中斷,我們的鍺產品的交貨時間可能會增加,價格也會有所變動。欲了解更多訊息,請聯繫我們的客戶服務團隊
  • Edmund Optics 的該零件號剩餘庫存有限,一旦耗盡,由於沒有原材料,將無法供應。 請聯絡我們的產品支援工程師,協助您找到滿足您需求的替代解決方案。客戶服務部門可為您提供最新的價格和供應情況"。

TECHSPEC® 鍺 (Ge) 平凸透鏡 (PCX) 採用精密金剛石車削基材,可提供無鍍膜或 3 - 12µm 的各種寬頻抗反射鍍膜選項。鍺(Ge)具有化學惰性、不溶於水、努氏硬度為 780,因此非常適合需要堅固光學元件的國防、安防以及熱成像應用。不過鍺會出現熱失控,因此應在低於 100°C 的溫度下使用,以確保最佳穿透效果。TECHSPEC® 鍺 (Ge) 平凸透鏡 (PCX)直徑為 12.5、25 和 50 mm。鍺的折射率很高(4.003),在沒有抗反射鍍膜的情況下會產生極大的菲涅耳反射損耗。TECHSPEC®鍺(Ge)平凸透鏡可提供無鍍膜或多種寬頻抗反射鍍膜(BBAR),以增強在中波紅外(MWIR)和長波紅外(LWIR)的穿透能力。

鍺特性的更多相關資訊,請查看以下選型指南 紅外(IR)應用的正確材料

鍺因其高折射率、較大的穿透距離範圍和堅固的機械性能而廣泛應用。鍺的穿透範圍為 2 - 16 μm,且在可見光譜區是不透明的,因此十分適用於紅外雷射應用。但是,鍺會發生熱逸散現象,即隨著溫度的升高,穿透率會降低;事實上,鍺在 100°C 的溫度下幾乎是不透明的,在 200°C 的溫度下則完全沒有穿透性。當設計用於重量敏感系統的設備時,應考慮到鍺的高密度 (5.33 g/cm3) 特性。鍺的努氏硬度 (780) 約為氟化鎂的兩倍,這一特性使其成為有堅固光學元件要求的紅外線應用的理想之選。鍺不會與空氣、水、鹼金屬和酸(硝酸除外)發生反應。

Technical Information

AR COATED GERMANIUM

Typical transmission of a 3mm thick Ge window with BBAR (3000-5000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <3% @ 3000 - 5000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick Ge window with BBAR (3000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <5.0% @ 3 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick Ge window with BBAR (8000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <3.0% @ 8 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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