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A photonic crystal fiber with two large air holes outside the holey cladding region is fabricated to induce an effective long periodic grating (LPG) in the core by an electric arc discharge. We believe that the two large air holes lead to the asymmetric perturbation in the core under the electric arc discharge, thereby introducing the coupling to the first higher-order mode. The transmission characteristics of the PCF with the LPG for the external perturbation such as strain, curvature, and temperature are also investigated. It was found that the shift of resonance peak in the transmission spectrum depends on the bending direction. The curvature of 8.55 m -1 results in the center wavelength shifts of 1.8, 4.3, and 11 nm for a vertical, diagonal, and horizontal direction of the curvature to the large air-hole alignment, respectively.

The purpose of this study is to report the improved case of superior labrum from anterior to posterior tear patient treated with Shinbaro pharmacopuncture and motion style acupuncture treatment. We used Shinbaro pharmacopucture, motion style acupuncture treatment and other korean medicine treatment for this patient. This case is measured and assessed by visual analogue scale (VAS), shoulder range of motion (ROM) and shoulder physical examination (Neer test, O'Brien test). After treatment, VAS decreased and the patient showed improvement of range of motion. Also physical examination of shoulder was improved. Shinbaro pharmacopuncture and motion style acupuncture treatment are thought to be helpful to relieve pain and recover function on shoulder joints, although further study is needed.