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教育材料

教育材料

陷波滤光片

作者 IDEX Health & Science

Notch Optical Filter Graph
对于需要几乎完全阻挡激光线,同时通过尽可能多的非激光线的信号的应用,陷波滤光片是近乎理想的选择。硬镀膜薄层陷波滤光片具有优良的透射性能(>90%)、窄陷波带宽(约为激光波长的 3%)、深激光线阻挡(OD>6)、环境性、高激光损伤阈值(>1 J/cm2)和紧凑的结构,可方便地反射不需要的激光器的光,因此提供了一种很好的解决方案。然而,到目前为止,标准薄膜陷波滤光片的主要缺点是由于基频和高次谐波谱截止带的限制,通带范围有限(见左图红色曲线)。

为了获得比标准薄膜陷波滤光片更宽的通带,光学工程师必须转向“全息”或“强化”陷波滤光片。不幸的是,全息滤光片的牢靠性和透过率较低(基于明胶的层压结构)、成本更高(由连续生产过程产生)、系统噪声性能更差、系统更复杂。基于正弦变化折射率的“强化”陷波滤光片通常具有较低的透过率和比较浅的陷波,特别是在较短的波长时。

Semrock -E 级别的 StopLine 陷波滤光片在光学陷波滤光片技术上实现了一个突破,将硬镀膜的标准薄膜陷波滤光片的所有优点与宽通带结合在一起,这个技术以前只有“全息”和“强化”陷波滤光片才可能实现。- E 级别的 StopLine 滤光片的光谱性能实际上与 Semrock 的 -U 级别的 StopLine 滤光片相同,但其通带从UV(<350 nm)延伸到近红外(>1600 nm)。

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  • Image
  • SKU
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  • Optical Specifications
  • Angle of Incidence
  • Bandpass
  • Beamsplitter maximum thickness
  • Blocking
  • Blocking Band 1
  • Blocking Band 10
  • Blocking Band 11
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  • Center Wavelength 1
  • Center Wavelength 10
  • Center Wavelength 11
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  • Center Wavelength 3
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  • Center Wavelength 5
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  • Center Wavelength 8
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  • Edge Wavelength 4
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  • General Filter Specifications
  • Angle of Incidence
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  • Physical Filter Specifications
  • Angle of Incidence
  • Bandpass
  • Beamsplitter maximum thickness
  • Blocking
  • Blocking Band 1
  • Blocking Band 10
  • Blocking Band 11
  • Blocking Band 12
  • Blocking Band 13
  • Blocking Band 14
  • Blocking Band 15
  • Blocking Band 16
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  • Blocking Band 2
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  • Blocking Band 6
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  • Blocking Band 8
  • Blocking Band 9
  • Blocking band 15
  • Center Wavelength 1
  • Center Wavelength 10
  • Center Wavelength 11
  • Center Wavelength 2
  • Center Wavelength 3
  • Center Wavelength 4
  • Center Wavelength 5
  • Center Wavelength 6
  • Center Wavelength 7
  • Center Wavelength 8
  • Center Wavelength 9
  • Clear Aperture
  • Common Fluorophore Pair to Split
  • Cutoff Transition Width
  • Cuton Transition Width
  • Dichroic Beamsplitters
  • Dichroic Flatness
  • Dichroic Orientation
  • Edge
  • Edge Steepness
  • Edge Wavelength 1
  • Edge Wavelength 2
  • Edge Wavelength 3
  • Edge Wavelength 4
  • Edge Wavelength 5
  • Exciter Emitter Orientation
  • F1' Error
  • Flatness
  • GMBW 1
  • General Filter Specifications
  • Group Delay Dispersion
  • Group Delay Dispersion 1
  • Group Delay Dispersion 2
  • Guaranteed Minimum Bandwidth 1
  • Guaranteed Minimum Bandwidth 2
  • Guaranteed Minimum Bandwidth 3
  • Guaranteed Minimum Bandwidth 4
  • Guaranteed Minimum Bandwidth 5
  • Guaranteed Minimum Bandwidth 9
  • Laser Wavelength 1
  • Laser Wavelength 1 high
  • Laser Wavelength 1 low
  • Laser Wavelength 2
  • Laser Wavelength 3
  • Laser Wavelength 4
  • Laser Wavelength 5
  • Laser Wavelengths 1
  • Laser Wavelengths 2
  • Laser Wavelengths 4
  • Maximum Reflected Laser Beam Diameter
  • MercuryLine
  • Microscope Compatibility
  • Nominal Flatness
  • Notch Bandwidth 1
  • Optical Damage Rating
  • Optical Specifications
  • Orientation
  • Physical Filter Specifications
  • Pulse Dispersion
  • Reflected Laser Wavelengths
  • Reflected Wavefront Error
  • Reflection Band 1
  • Reflection Band 2
  • Reflection Band 3
  • Reflection Band 4
  • Reflection Band 5
  • Special use
  • Steepness
  • Substrate Type
  • Transmission
  • Transmission Band 1
  • Transmission Band 10
  • Transmission Band 11
  • Transmission Band 2
  • Transmission Band 3
  • Transmission Band 4
  • Transmission Band 5
  • Transmission Band 6
  • Transmission Band 7
  • Transmission Band 8
  • Transmission Band 9
  • Transmission Ripple
  • Transmission Value 1
  • Transmitted Laser Wavelengths
  • Transmitted Wavefront Error
  • Transverse Tolerance
  • Transverse Tolerance
  • Clear Aperture
  • Scratch-Dig
  • Substrate Type
  • Orientation
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