Enhanced optical limiting in derivatized fullerenes

Journal Article · Mon Jul 01 04:00:00 EDT 1996 · Optics Letters

DOI:https://doi.org/10.1364/OL.21.000922· OSTI ID:286334

Smilowitz, L; McBranch, D; Klimov, V; Robinson, J M; Koskelo, A; Grigorova, M; Mattes, B R ^[1]; Wang, H; Wudl, F ^[2]

---

1. Chemical Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
2. Institute for Polymers and Organic Solids, University of California, Santa Barbara, Santa Barbara, California 93106 (United States)

We have observed enhanced optical limiting behavior in solutions of a derivatized fullerene (phenyl-C{sub 61}-butyric acid cholesteryl ester) from 532 to 700nm. Transient absorption measurements determined the spectral and temporal regions of interest for optical limiting in C{sub 60} and in C{sub 60} derivatives that are due to a reverse saturable absorption mechanism and predicted enhanced limiting at longer wavelengths. Intensity-dependent transmission measurements made at several wavelengths confirmed these results. The increased solubility and the broadened ground-state absorption of the functionalized C{sub 60} make it suitable for use as an optical limiter in the red and the near infrared. {copyright} {ital 1996 Optical Society of America.}

• Sponsoring Organization: USDOE
• OSTI ID: 286334
• Journal Information: Optics Letters, Journal Name: Optics Letters Journal Issue: 13 Vol. 21; ISSN 0146-9592; ISSN OPLEDP
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ABSORPTION SPECTRA
FULLERENES
LIGHT TRANSMISSION
NEAR INFRARED RADIATION
VISIBLE RADIATION