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Cosine Correctors for SMA Connectorized Fibers
Coupled to a
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The cosine correction plot for each diffuser can be viewed by clicking on the info icons in the table below.
Thorlabs' Cosine Correctors are diffusers designed to couple light into or out of SMA-connectorized fiber optics. The correctors feature a diffuser in a tightly toleranced anodized aluminum housing. The input side of the CCSA2 is equipped with SM05 (0.535"-40) threads, while that of the CCSA1 is smooth.
The diffuser in a cosine corrector allows light to be collected from up to a 180° angle with the diffuser surface. This minimizes issues caused by sampling geometry inherent to other devices such as bare fiber optics or collimating lenses. As such, these diffuser packages are ideal for use in spectral measurements or as irradiance probes. An image of each cosine corrector connected to a spectrometer can be viewed by clicking on the photos in the table below.
A plot showing the transmission spectrum of both diffusers is shown to the lower right. The curve is normalized to the maximum measured transmission through that sample. Please note that the transmission is highly wavelength-dependent when selecting a cosine corrector for your application.
The cosine correction plot and transmission spectrum for each cosine corrector can be viewed by clicking on the blue info buttons () in the table below.
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The transmission of the diffuser material used in the cosine correctors. Each curve is normalized to the maximum measured transmission through that sample.