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N-BK7平凸透镜系列
未镀膜平凸透镜
特性
l 材质：N-BK7
l 波长范围: 350纳米－2.0微米(未镀膜)
l 可以选择未镀膜或者三种宽带增透膜中的一种
l 九种尺寸可供选择： Ø6mm，Ø9 mm，Ø1/2英寸（Ø12.7mm），Ø18mm，Ø25mm，Ø1英寸（Ø25.4mm），Ø30mm，Ø2英寸（Ø50.8mm）或者Ø75mm，从可见到近红外具有优异的透过率
技术参数
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N-BK7平凸球面单透镜
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Lens Shape
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Plano/Convex
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Material
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N-BK7 (Grade A)
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Wavelength Range*
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350 nm - 2.0 μm (Uncoated)
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Design Wavelength
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633 nm
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Index of Refraction @633 nm
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1.515
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Surface Quality
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40-20 Scratch-Dig
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Abbe Number
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vd=64.17
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Centration
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≤3 arcmin
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Clear Aperture
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>90% of Diameter
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Focal Length Tolerance
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±1%
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（2）V形镀膜平凸透镜
V形增透膜：
技术参数
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Specifications
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Material
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N-BK7 (Grade A)
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Lens Shape
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Plano/Convex
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Coating (V-Coat)
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780, 633, or 1064/532 nm
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Surface Quality
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20-10 Scratch-Dig
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Damage Threshold
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10 J/cm2 (10 ns, 10 Hz)
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Design Wavelength
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587.6 nm
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Index of Refraction @ 633 nm
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1.515
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Surface Flatness (Plano Side)
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λ/2
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Spherical Surface Power(Convex Side)
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3λ/2
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Surface Irregularity
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λ/4
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Abbe #
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vd = 64.17
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Centration
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≤3 arcmin
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Clear Aperture
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>90% of Diameter
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Focal Length Tolerance
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±1%
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（3）350nm-700nm增透膜平凸透镜
技术参数
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N-BK7平凸球面单透镜
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Lens Shape
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Plano / Convex
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Material
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N-BK7 (Grade A)
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Wavelength Range*
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350-700 nm
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Design Wavelength
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633 nm
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Index of Refraction @633 nm
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1.515
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Damage Threshold
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7.5J/cm2 at 532nm,10ns,10Hz
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Surface Quality
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40-20 Scratch-Dig
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Surface Flatness(Plano Side)
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λ/2
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Spherical Surface Power**(Convex Side)
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3λ/2
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Surface Irregularity
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λ/4
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Abbe Number
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vd=64.17
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Centration
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≤3 arcmin
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Clear Aperture
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90% of Diameter
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Focal Length Tolerance
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±1%
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(4) 650-1050nm增透膜平凸透镜
技术参数
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Lens Shape
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Plano / Convex
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Material
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N-BK7 (Grade A)
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Wavelength Range*
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650-1050 nm
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Design Wavelength
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633 nm
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Damage Threshold
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7.5 J/cm2 at 810 nm, 10 ns, 10 Hz, Ø0.144 mm
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Index of Refraction @633 nm
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1.515
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Surface Quality
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40-20 Scratch-Dig
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Surface Flatness (Plano Side)
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λ/2
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Spherical Surface Power**(Convex Side)
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3λ/2
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Surface Irregularity
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λ/4
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Abbe Number
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vd=64.17
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Centration
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≤3 arcmin
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Clear Aperture
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90% of Diameter
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Focal Length Tolerance
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±1%
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（5）1050-1620nm增透膜平凸透镜
技术参数
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Lens Shape
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Plano / Convex
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Material
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N-BK7 (Grade A)
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Wavelength Range*
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1050-1620 nm
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Design Wavelength
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633 nm
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Damage Threshold
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7.5 J/cm2 at 1524 nm, 10 ns, 10 Hz, Ø0.123 mm
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Index of Refraction @633 nm
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1.515
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Surface Quality
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40-20 Scratch-Dig
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Surface Flatness(Plano Side)
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λ/2
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Spherical Surface Power**(Convex Side)
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3λ/2
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Surface Irregularity
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λ/4
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Abbe Number
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vd=64.17
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Centration
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≤3 arcmin
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Clear Aperture
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90% of Diameter
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Focal Length Tolerance
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±1%
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