Description
- Traitées AR pour procurer <1,25% de réflectivité par surface de 400 à 1000 nm
- <0,25% de réflectivité à 880 nm
- Conçues pour un angle d’incidence de 0°
- Différent traitements disponibles : Non Traitées, VIS-EXT, MgF2, VIS 0°, YAG-BBAR, NIR I et NIR II
Les Lentilles Plan-Concaves (PCV) Traitées VIS-NIR TECHSPEC® sont conçues pour courber les rayons d’entrée parallèles afin qu’ils divergent les uns des autres du côté de la sortie de la lentille, ce qui fait que cette lentille a une distance focale négative. Ces lentilles peuvent être utilisées pour équilibrer les aberrations créées par d’autres lentilles au sein d’un système en raison de leur aberration sphérique négative. Les lentilles plan-concaves (PCV) sont couramment utilisées dans une variété d’applications, notamment la réduction d’image, l’expansion de faisceau et les télescopes. Les Lentilles Plan-Concaves (PCV) Traitées VIS-NIR TECHSPEC® sont optimisées pour la transmission (>99%) dans l’infrarouge proche. Ces lentilles sont également disponibles Non Traitées et en options de traitement AR VIS-EXT, MgF2, VIS 0°, YAG-BBAR, NIR I ou NIR II.
Informations techniques
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Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV – NIR spectra. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg ≤ 1.75% @ 400 – 700nm (N-BK7) Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg ≤ 0.5% @ 350 – 700nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Rabs ≤ 0.25% @ 880nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg ≤ 0.4% @ 425 – 675nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Rabs ≤ 0.25% @ 532nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with NIR I (600 – 1050nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg ≤ 0.5% @ 600 – 1050nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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Typical transmission of a 3mm thick N-BK7 window with NIR II (750 – 1550nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Rabs ≤ 1.5% @ 750 – 800nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data |
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