Fiber optic coupling sits right at the heart of modern spectroscopic instruments, letting us move light efficiently between a source, a sample, and a detector. It keeps the signal quality high while making instrument designs way more flexible and compact. As an example, you can use these simple formulas to compare different spectrometer solutions. Mirror design of FlexiSpec® Fiber Probe Couplers provides high. LENS-COL is a collimating lens for the VIS-NIR ranges. Evaluation and presentation of the results are carried out with the well-proven Proteus® software. Gas flow conditions in all thermal analyzers are ideal for coupling to a mass. The spectrometer fiber coupling module provided by JCOPTIX is a simple module device in which a light source is filtered by a filter and coupled into an optical fiber through a focusing lens, suitable for multimode optical fibers with numerical apertures (NA) of 0.