Sensitive in situ nanothermometer using femtosecond optical tweezers

Dipankar Mondal; Debabrata Goswami

doi:10.1117/1.JNP.10.026013

5 May 2016 Sensitive in situ nanothermometer using femtosecond optical tweezers

Dipankar Mondal, Debabrata Goswami

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 2, 026013 (May 2016). https://doi.org/10.1117/1.JNP.10.026013

Abstract

We report the rise in temperature in various liquid media adjacent to a trapped bead. A nonheating laser at 780 nm has been used to optically trap a 500-nm radius polystyrene bead, while a simultaneous irradiation with a copropagating 1560-nm high-repetition-rate femtosecond laser led to temperature rise in various trapping media. Vibrational combination band of the hydroxyl group in the trapping media resulted in high absorption of 1560-nm laser. This, in turn, gave us control over the trapping media temperature at the focus of the optical trap.

Citation Download Citation

Dipankar Mondal and Debabrata Goswami "Sensitive in situ nanothermometer using femtosecond optical tweezers," Journal of Nanophotonics 10(2), 026013 (5 May 2016). https://doi.org/10.1117/1.JNP.10.026013

Published: 5 May 2016

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