Author Affiliations
1 Institute of Photonics Technology, Jinan University, Guangzhou, Guangdong 511443, China2 College of Optical Science and Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, Chinashow less
Fig. 1. Rare earth ion doped glass ceramic fibers fabricated by double-crucible method[14,16]. (a) Schematic of double-crucible method; (b) (c) emission spectra of fiber and glass ceramic fiber fabricated by double-crucible method; (d) laser slope curves of fiber and glass ceramic fiber; (e) X-ray diffraction (XRD) pattern of glass ceramic fiber
Fig. 2. Rare earth ion doped glass ceramic fibers fabricated by melt-in-tube method[17-18]. (a) Schematic of melt-in-tube method; (b) XRD of fibers and glass ceramic fibers (0 ℃ indicates the non heat treated fiber.); (c) mid-infrared emission spectra; (d) transmission electron microscopy (TEM) image; (e) high resolution transmission electron microscopy(HRTEM)image; (f) photo of fiber cross section; (g) upconversion emission spectra
Fig. 3. Transition metal ion doped glass ceramic fibers fabricated by melt-in-tube and rod-in-tube methods[21-22]. (a)(b) Photos of glass rod before and after drawing process by rod-in-tube method; fibers and glass ceramic fibers by melt-in-tube method for (c) TEM image, (d) Raman spectra, (e) near-infrared mission spectrum of Ni2+, (f) XRD patterns, (g) visible emission spectrum of Cr3+
Fig. 4. PbS quantum dots doped glass ceramic fibers fabricated by melt-in-tube method at high temperature[30]. (a) Photo of preform; (b) photo of fibers; PbS quantum dots doped fibers for (c) TEM image, (d) HRTEM image, (e) Raman spectra, (f) emission spectra
Fig. 5. PbS quantum dots doped glass ceramic fibers fabricated by melt-in-tube method at low temperature[31]. (a) Photo of cross section of fiber; (b)-(h) element distribution patterns of fiber cross section; (i) thermal expansion coefficient curves of glasses; (j) emission spectra of fibers at different temperatures
Fig. 6. SHG glass ceramic fibers fabricated by melt-in-tube and rod-in-tube methods[33]. (a) Photo of glass rod drawn by rod-in-tube method; fibers and SHG fibers fabricated by melt-in-tube method for (b) cross section image, (c) Raman spectra, (d) emission spectra