General Optics
ZPS – Zero Pixel Shift Filters
Enable fluorescence microscope imaging at multiple visible wavelengths with near-perfect image registration.
Advances in fluorophores and sources are driving wider use of multi-color microscopy. Coherent draws on our advanced coating expertise to offer filters with no wavelength walk-off. ZPS are ideal for excitation and emission as well as dichroic beamsplitters.
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ZPS – Key Specifications Summary
Superior coating flatness and precise mounting eliminate pixel shifts due to wavelength and filter exchange.
Combined (Ex plus Em) Blocking Efficiency |
Transmitted Wavefront Error (TWE) |
Flatness (Peak-Valley) per inch aperture |
Wedge Angle (for 2 mm thickness) |
Image Shift (Cube to Cube Exchange) |
OD6 |
< 1/10 wave |
< ½ wave |
<1 arc sec |
≤1 pixel |
