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FN1 PhysioStation with OCT capability

Nikon Instruments and Thorlabs have collaborated to bring Optical Coherence Tomography (OCT) to Nikon’s FN1 PhysioStation upright focusing nosepiece microscope system for neurophysiology and in vivo, small-animal studies. 

Ideal for neuroscience and electrophysiology applications, the new OCT system enables an imaging depth of 2–3mm in biological tissue with a larger field of view than in conventional microscopy.

The unique system was customised by Thorlabs specifically for Nikon’s FN1 microscope system.  It offers rapid 3D imaging capabilities based on a relatively low magnification objective, making the full system ideal for live-animal imaging. Using a special non-destructive wavelength-swept infra-red laser, the OCT system acquires data from deep within the specimen, giving researchers a real-time 2D slice view (up to 3mm deep by 10mm long) of the specimen.  Counterstaining or labelling of the specimen is not necessary, making preparation easy.  High resolution 3D volume reconstructions can be made of specimens by rastering the low-powered laser field.
 
All of the traditional optical microscope imaging techniques, such as DIC, Oblique Illumination, IR-DIC and multiple wavelength Epifluorescence, are maintained on this system, even when combined with the OCT modality.  A simple lever change can engage the OCT imaging or the system can be used in the normal modes.  The OCT imaging mode can provide a 3D overview of the large field of view so that the location of specific morphology structures can be targeted easily.