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Nikon TE2000 Cube Assembly Quick How-To Guide
By IDEX Health & ScienceExplore our step by step guide to add a Semrock optical filter set to a Nikon TE2000 Cube. Learn More
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Nikon Quadfluor Cube Assembly Quick How-To Guide
By IDEX Health & ScienceExplore our step by step guide to add a Semrock optical filter set to a Nikon Quadfluor Cube. Learn More
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Olympus Cube Assembly Quick How-To Guide
By IDEX Health & ScienceExplore our step by step guide to add a Semrock optical filter set to an Olympus U-MF2 Cube and an Olympus U-MF/XL cube. Learn More
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Periodic Table of Analytical Fittings Poster
By IDEX Health & ScienceOur Periodic Table of Analytical Fittings illustrates over 100 analytical fittings’ pressure rating, tubing size, head style, fitting material, and torque required. -
Fluidics Tech Tips
By IDEX Health & ScienceExplore our tech tips and find technical topics from Avoiding Pressure Transients to how to choose a Sample Loop. -
Microfluidic Definitions & Specs
By IDEX Health & ScienceLearn about Microfluidic Definitions and Specifications to assist in your understanding of Microfluidic applications. -
Physics of Pixel Shift
By IDEX Health & ScienceIn multicolored fluorescence microscopy, pixel shift can cause imaging errors, which can lead to erroneous interpretation of biological data. This article highlights some key considerations in the design of optical filter sets with “zero pixel shift” (less than one pixel error) performance. -
Injectors Troubleshooting Guide
By IDEX Health & ScienceOur Troubleshooting Guide presents common problems encountered when using manual sample injection valves. Each problem (or “symptom,”; such as spurious peaks) is described and followed by a detailed discussion of possible causes and solutions. This information has been compiled by our technical staff with 25 years of technical support experience with sample injection and fluidic technology. -
Performance, Reliability, Repeatability
By IDEX Health & ScienceWith a virtually unlimited lifetime and superior performance, Semrock filters help ensure the best possible images. They may be the easiest and least expensive way to improve the performance of your microscope when compared to the cost of upgrading cameras and objectives. -
Flatness of Dichroic Beamsplitters Affects Image Quality
By IDEX Health & ScienceOptical filters are generally comprised of multi-layered thin-film coatings on plane, parallel glass substrates. All Semrock filters use a single substrate with coatings on one or both sides to maximize transmission and reliability. The glass substrate is not always perfectly flat before coating and the intrinsic stress of hard coatings can cause slight bending of the substrate. Fortunately, this bending has no noticeable effect on light transmitted through an optical filter at or near normal incidence. For light incident at high angles of incidence, like for a 45° dichroic beamsplitter, the bent substrate creates a slight divergence of the transmitted beam axis similar to the effect of a small wedge in the substrate. Unless the radius of curvature is very small (much less than one meter) the quality of the transmitted beam remains largely unaffected.