Preferential input and output coupling of oval-shaped optical microcavities: fluorescence emission from oval-shaped dye-doped glass fibers

Andrew W. Poon; Steven L. Kan; Paul A. Tick; Daniel A. Nolan; Richard K. Chang

doi:10.1117/12.392149

11 July 2000 Preferential input and output coupling of oval-shaped optical microcavities: fluorescence emission from oval-shaped dye-doped glass fibers

Andrew W. Poon, Steven L. Kan, Paul A. Tick, Daniel A. Nolan, Richard K. Chang

Author Affiliations +

Proceedings Volume 4078, Optoelectronic Materials and Devices II; (2000) https://doi.org/10.1117/12.392149
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

We report an experimental study of the preferential input and output side coupling of oval-shaped optical microcavities. The cavity was in the cross-section of an oval-shaped dye-doped glass fiber, which was optically pumped perpendicular to the fiber axis. Fluorescent emission perpendicular to the fiber axis was imaged with a lens onto a CCD camera. The integrated intensity of the image profile at different angles provided the far-field angular pattern of the fluorescent emission peaked at ~ 45 degree(s) relative to the cavity major axis. The near-field spatial profiles revealed refractive output coupling from an extended high- curvature region. A simple ray-path model was used to calculate the fluorescent near-field spatial profile. Preferential input side coupling was also observed in the direction ~45 degree(s) relative to the cavity major axis. By focusing the pump beam at the high-curvature region in the preferred coupling direction, we observed ~ a factor of 8 enhancement in the integrated intensity at the preferred fluorescence output angle. By imaging the fiber top surface, we demonstrated that the preferentially input coupled light could be guided along the cavity circumference.

Citation Download Citation

Andrew W. Poon, Steven L. Kan, Paul A. Tick, Daniel A. Nolan, and Richard K. Chang "Preferential input and output coupling of oval-shaped optical microcavities: fluorescence emission from oval-shaped dye-doped glass fibers", Proc. SPIE 4078, Optoelectronic Materials and Devices II, (11 July 2000); https://doi.org/10.1117/12.392149

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
9 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Optical fibers

Near field

Glasses

Optical microcavities

Luminescence

CCD cameras

Optical pumping

Show All Keywords

Keywords/Phrases

Search In:

Publication Years