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Ureteroscopy is an examination of the upper urinary tract, usually performed with a ureteroscope that is passed through the urethra and the bladder, and then directly into the ureter. [1] The procedure is useful in the diagnosis and treatment of disorders such as kidney stones and urothelial carcinoma of the upper urinary tract. [ 1 ]
To achieve the latter two points, the spectrograph consists of 24 identical integral field units (IFU), hence reducing cost by replication. These have each excellent image quality and light in the instrument plan is slice up and sent to individual IFUs using an image slicer .
An example of an Integral Field Spectroscopy technique, slicing the scene with mirrors. Integral field spectrographs (IFS) combine spectrographic and imaging capabilities in the optical or infrared wavelength domains (0.32 μm – 24 μm) to get from a single exposure spatially resolved spectra in a bi-dimensional region.
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The Tough TG-4 is a significant upgrade over its predecessor with the addition of Raw support. Olympus' cool 'Live Composite mode', a pair of custom setting spots on the mode dial, and additional underwater modes are also new features. [8] Olympus Tough TG-5: 12.0 2017 Olympus Tough TG-5 is the upgrade from TG-4 but with less megapixels. [9]
Olympus manufactures compact digital cameras and is the designer of the Four Thirds system standard for digital single-lens reflex cameras. Olympus's Four Thirds system flagship DSLR camera was the E-5, released in 2010. Olympus is also the largest manufacturer of Four Thirds lenses, under the Zuiko Digital brand.
IFU or ifu may refer to: Integral field unit; International Fruit and Vegetable Juice Association; Instruction fetch unit; Instructions for Use "IFU", song by Usher ...
The first to examine the ureter through an internal approach, called ureteroscopy, rather than surgery was Hampton Young in 1929. [30] This was improved on by VF Marshall who is the first published use of a flexible endoscope based on fiber optics , which occurred in 1964. [ 30 ]