Peiyuan Liu, Zixuan Liu, Yaoyu Cao, Shichao Song, Jun Ma, Jie Li, Baiou Guan. Microfiber Long-period Grating Based on Two-photon Polymerization Technology[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2306006
- Laser & Optoelectronics Progress
- Vol. 58, Issue 23, 2306006 (2021)
Fig. 1. Two-photon polymerization system based on femtosecond laser. (a) Two-photon polymerization system; (b) three-dimensional control platform; (c) processed microfiber
Fig. 2. Schematic diagram of microfiber long-period grating processing. (a) Single mode fiber; (b) tapering a microfiber; (c) coating IP-L; (d) laser processing; (e) washing away unreacted IP-L
Fig. 3. Sample transmission spectrum
Fig. 4. SEM structure diagram of microfiber long-period grating
Fig. 5. Temperature response of microfiber long-period grating
Fig. 6. Refractive index response of microfiber long-period grating
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