Nanoscale cr 4 doped olivine crystallites used in optical amplifiers and lasers
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Nanoscale Cr 4+ Doped Olivine Crystallites Used In Optical Amplifiers and Lasers. By: Denise Asafu-Adjei (Bronx H.S. of Science) Caesar Pereira (Archbishop Stepinac H.S.) Supervising Scientist: Prof. Petricevic (CCNY) Senior Scientist: Dr. Bykov (CCNY). Analysis of Cr doped Powders.

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Nanoscale cr 4 doped olivine crystallites used in optical amplifiers and lasers

Nanoscale Cr4+ Doped Olivine Crystallites Used In Optical Amplifiers and Lasers

By: Denise Asafu-Adjei (Bronx H.S. of Science)

Caesar Pereira (Archbishop Stepinac H.S.)

Supervising Scientist: Prof. Petricevic (CCNY)

Senior Scientist: Dr. Bykov (CCNY)


Analysis of cr doped powders
Analysis of Cr doped Powders

  • 0.1% and 0.5% samples seem to be the optimal concentrations for laser emissions.

  • When heated to 1050C in general, the light emissions increased and encompassed a longer range of wavelengths.

  • In conclusion, we can see that because the light emissions for 1050C surpassed 1000nm, Cr4+ ions are present now in our powders.


Importance of this research
Importance of this Research

  • To synthesize an effective amplifying medium for the purpose of creating a “tunable laser” that will be able to emit light at multiple wavelengths

  • This is of significance for NASA research because these lasers would be more versatile, spatially efficient, convenient, and cost-effective


Applications of lasers
Applications of Lasers

  • Optical communication

  • Remote sensing

  • Medical imaging

  • Surgery and LASIK

  • Tissue welding


Further research
FURTHER RESEARCH

  • Studying the light emissions from the crystals synthesized from the powders

  • Attaining the optimal Cr concentration in the crystals, which will provide the maximum light emissions

  • In this final part of our project x-ray spectroscopy will be utilized for further analysis of our crystals that will be grown


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