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2019/04/01
Spotlight-One-lens camera using a biologically based artificial compound eye with multiple focal lengths
2019/03/09
Spotlight-Powerful LED-Based Train Headlight Optimized for Energy Savings
2018/03/01
Spotlight-SolarDrone (NTU), Allowing Drones to Explore Unexplored Frontiers Launches at CES 2018
2017/02/22
Spotlight-Nobel Laureate Lectures on Solid-State Lighting
2015/11/13
Spotlight-Nature Photonics
 
研究概況-實驗室
Professor Name Education Link
  Sheng-Lung Huang Ph.D., Univ. of Maryland, U.S.A. Profile | Publication | Website | Laboratory
Number 光電實驗室七
Laboratory Solid-State Laser Crystal and Device Laboratory
Leader Sheng-Lung Huang
Room R435, EE BuildingⅡ
TEL +886-2-23641762
Website http://laser.ee.ntu.edu.tw/

The major research areas are on the growth of active and nonlinear crystalline fibers, and high brightness laser technologies in order to realize compact and efficient lasers and broadband light sources with excellent mode quality for applications in bio-photonics, optical communications, nano-photonics, and data storages.
The present research directions are listed below:
1.Cr4+ doped crystal fiber light source and optical amplifiers:
The ultra-broadband nature of Cr ion in near infrared wavelength makes it attractive for applications in optical coherence tomography (OCT). A cellular resolution OCT is under development.
2.Nonlinear frequency conversion using periodically poled lithium tantalite (LT) crystal fiber:
Nonlinear crystal fiber enables efficient frequency conversion at CW and low power region because of the confined laser beam in fiber core for long range. We are studying the poling of glass-clad LT for wavelength conversion.
3.Yb doped fiber lasers:
We are developing Yb:fiber based efficient and high power lasers and master oscillator power amplifiers. A 100-W Yb:fiber laser was constructed for high precision machining as well as nonlinear optics applications.
4.High-brightness white light point source:
Using Ce,Sm:YAG double-clad crystal fiber, we have generated white light with a luminance of 4.5x10^9 cd/m^2 out of a 10-mm-diameter core. Wave propagation characteristics is under investigated for improving the optical efficiency.

Glass-clad crystal fiber growth system, multi-wavelength confocal microscope, polarizing microscope, optical spectrum analyzer, RF spectrum analyzer, oscilloscopes, large-mode- area fiber fusion splicer, mode master, optical low-coherence reflectometer, ion gun, tunable lasers, high power laser diodes, furnace, grinding/polishing machines, cutting machine


   
Figure 1: Schematic diagram of the growth of single crystalline fiber. Figure 2: The single crystal, single-clad, and double-clad crystal fibers.
   
Figure 3: Crystal fiber based ultrahigh resolution optical coherence tomography system. Figure 4: Schematic diagram of the 100W-level Yb:fiber laser.
   
   
   
   

 

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