Microstructured optical fiber UHV integration for cold-atom experiments
(Color online) Output light intensity profiles of the testing fibers after the polishing stage. The fibers are here illuminated at the inlet with a white light source. From the left to the right: one-core multimode fiber, microstructured fiber with square lattice of weakly coupled cores, Solid-Core Photonic BandGap fiber.
(Color online) Optical fibers UHV integration: (a) Observation with a ×80 microscope of the polished capillary endface. The three embedded fibers in the UV-curing adhesive are clearly visible with a good surface quality; no scratch or crack is visible in the active area of these fibers. (b) View of the capillary opto-mechanical assembly outside the vacuum chamber. (c) The opto-mechanical assembly is fixed to a plain DN16CF flange sealed to the vacuum system.
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