Ultrafast vibrational energy transfer of polyethylene investigated with picosecond laser pulses

✍ Scribed by H. Graener; A. Laubereau

• Publisher: Elsevier Science
• Year: 1987
• Tongue: English
• Weight: 293 KB
• Volume: 133
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(87)87086-0

✦ Synopsis

Picosecond Raman scattering after infrared excitation is studied for polyethylene films at room temperature. Ultrafast vibrational energy redistribution ( < 5 ps) and a comparatively long population lifetime ( r, = 260 f 100 ps) are observed for the CHstretching modes.