In a polarization maintaining (PM) fiber system the quality of a connection plays a crucial role. In order to offer the best overall perfromance, PM fibers must be properly oriented inside the connectors and the alignment features on these must guarantee an appropriate orientation across the mating adapter. Due to different mechanical constructions, not all fibre connectors and mating adapters are suitable for PM applications. The orientation procedures of high-quality PM fibre connectors and the evaluation of their polarisation performance are reviewed according to the current international standards.
In this white paper, Ocean Optics evaluates the UV blocking capacity of sunscreens. Sunscreens typically comprise UV absorbing or reflecting ingredients that protect skin from the harmful effects of prolonged exposure to UVA and UVB radiation.
Fluorescence based systems have revolutionized the way organisms, cells, and biomolecules are visualized and detected. However, challenges that are common in these instruments, such as bleedthrough, background autofluorescence, and poor signal-to-noise ratios (S/N), can reduce performance and lead to frustration.
In this whitepaper, ProPhotonix discusses the issues you will face when specifying a laser diode; the necessary trade-offs between performance, cost and lifetime; and the process of choosing a vendor who can meet your needs
The ultimate instrumentation for trace gas analysis and detection in air quality monitoring as well as industrial process control would be one that can simultaneously provide a sensitive, selective, and fast, multi-gas measurement with wide dynamic range all in a compact and robust system. One of the few such promising technologies that can deliver these requirements is laser based photoacoustic spectroscopy (PAS).