Name: 25mm直径 x 15mm焦距，未镀膜，锗基底，非球面透镜
Brand: TECHSPEC
SKU: 68-236
Price: RMB 8,047.18

25mm直径 x 15mm焦距，未镀膜，锗基底，非球面透镜

产品编码 #68-236 6-10 工作日其他镀膜选项

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RMB 8,047.18

数量 1-5
RMB 8,047.18

数量 6+
RMB 6,437.75

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产品对比

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直径 (mm):

25.00 +0.0/-0.1

有效焦距 EFL (mm):

15.00 @ 4000nm

数字孔径 NA:

0.83

后焦距 BFL (mm):

14.00

Germanium (Ge)

Aspheric Design Wavelength (nm):

4000

非球面面形误差, RMS @ 632.8nm:

λ/6

涂层:

Uncoated

中心偏（弧分）:

≤5

表面质量:

60-40

有效孔径 CA（mm）:

22.5

边缘厚度 ET (mm):

2.47

中心厚度 CT (mm):

4.00 ±0.10

有效焦距/有效孔径直径比:

0.6

倒角:

Protective bevel as needed

边缘:

Diamond Turned

Shape of Back Surface:

Plano

类型:

Aspheric Lens

波长范围 (nm):

2000 - 14000

Conjugate Distance:

Infinite

合规性

RoHS 2015:

符合标准

Certificate of Conformance:

浏览

Reach 240:

符合标准

产品系列说明

提供衍射极限的性能
有多种膜层可供选择
可提供完整的设计数据

我们的TECHSPEC®锗IR非球面透镜可在中长波红外区域的广泛光谱范围内提供衍射极限的聚焦性能。这些透镜非常适合于单色光源，如量子级联激光器，并提供一个高性能的替代标准平凸透镜。

每个非球面透镜都有无镀膜选项或两个BBAR镀膜的任意选项可供选择。无镀膜锗透镜具有小于50%的透射率，因此在制定无镀膜透镜时，应考虑加入定制的AR膜层。每个BBAR镀膜透镜都可提供大于95%的透射率，使其成为集成到各种OEM应用的理想选择。有关定制设计或镀膜选项的详细信息，请联系我们的销售部门。

技术信息

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: R_avg <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: R_avg <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: R_avg <3.0% @ 8 - 12μm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data