Dissertation > Excellent graduate degree dissertation topics show

Primary Study on Organic Photonic Crystal Distributed Feedback Lasers

Author: SunZuo
Tutor: GaoFuBin
School: Jilin University
Course: Microelectronics and Solid State Electronics
Keywords: Photonic crystal Plane wave expansion method Organic gain material Distributed feedback Laser
CLC: TN248
Type: Master's thesis
Year: 2007
Downloads: 181
Quote: 0
Read: Download Dissertation


Photonic crystals are periodic electromagnetic band gap structure and function of materials, characterized by a photonic band gap . The photonic crystal organic lasers , the application of photonic crystal photonic band gap control the propagation of light in the device , improving the performance of laser feedback to reduce the lasing threshold of the laser . Theoretical calculations , the main application of the plane wave expansion method the energy band structure of the photonic crystal slab , through the analysis of the energy band structure is expected frequency range of the device will feedback ; in device fabrication , selection of to Si substrate SiO 2 < / sub> for the photonic crystal slab of the substrate Si 3 N 4 , using vacuum thermal evaporation method and the organic gain material deposited onto the surface of the photonic crystal slab , prepared with different organic gain layer thickness of organic photonic crystal distributed feedback laser; device characterization , the output wavelength of 325nm continuous helium-cadmium laser as the pump light source , the test device lasing characteristics, including its lasing spectrum , the threshold curve , divergent angle. Theoretical analysis and experimental results show that the organic gain layer thickness of 450nm , the optimal lasing characteristics of the device , the lasing peak width at half maximum of 0.6nm , the lasing threshold is only 0.5kW/cm 2 < / sup > , the divergence angle of approximately 4 ° .

Related Dissertations

  1. Research on Welding Characteristics of CO2 Laser-GMA Hybrid Welding for Ultra-Low Carbon Bainitic Steel,TG456.7
  2. Research on Synchronous Acquisition and Processing System Detecting Defocus Signal Based on DSP,TH741
  3. Design and Fault Diagnosis of the Coarse Pointing Control System in Satellite Laser Communication,V443.1
  4. Design of Control System for Laser Beam Steering Device,TM301.2
  5. Research and Design for the Laser’s Power Control System of Laser Direct Writing,TN249
  6. Research on Signal Receiving System of Phase Laser Range Finder,TN249
  7. The Properties of Laser Speckle Based on the Mathematical Morphology,O29
  8. Study of Mutation and Breeding of Griseofulvin Produccing Strain FS80,TQ927
  9. Water-mdeiated Ablation of Hard Biotissue with Pulse Lases,R318.51
  10. Ceramic Theramal Sterss Cleaving Technology Based on Laser,TQ174.62
  11. Department of Bi-based Co-based oxide thermoelectric ceramics and thin films,TQ174.7
  12. Characterization and Identification of Maturity of Pig Manure Composting,S141.4
  13. Iron-doped SnO \u003csub\u003e 2 \u003c/ sub\u003e ceramics and thin films research,TQ174.6
  14. Preparation and Characterization of Polymer Micro/Nano Fibers by Laser Melt Electrospinning,TQ340.64
  15. Primary Study on Measurement of Ammonia Emissions from a Farm Using Tunable Diode Laser Absorption Spectroscopic Technology,S158.5
  16. Femtosecond laser and Si \u003csub\u003e 3 \u003c/ sub\u003e N \u003csub\u003e 4 \u003c/ sub\u003e crystal interaction theoretical study,O734
  17. The Clinical and Experimental Study of Subclinical Condylomata Acuminate,R752.53
  18. The Experimental Study of Semiconductor Laser Radiation and 5-FU Sustained Release Repressed Oral Malignant Tumor Cell,R739.8
  19. The Correlation between the Intraocular Lens Power and the Myopia before and after Excimer Laser Surgery,R779.63
  20. In Vitro Biofilm Formation of Enterococcus Faecalis in Starving Phase and Antibacterial Effect of Sodium Hypochlorite,R780.2
  21. Clinical Observation of Skin Photoaging Treated by CO2 Fractional Laser,R758.2

CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Laser technology, the maser > Laser
© 2012 www.DissertationTopic.Net  Mobile