Multiphoton dissociation of molecules with low power cw infrared lasers: collisional enhancement of dissociation probabilities

✍ Scribed by R.L. Woodin; D.S. Bomse; J.L. Beauchamp

• Publisher: Elsevier Science
• Year: 1979
• Tongue: English
• Weight: 580 KB
• Volume: 63
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(79)80729-0

✦ Synopsis

\lultiphoton dissocLtion ofCai_z is observed using low intensity cm CO? iz~srr radiation. Ion ~clotron resonance (ICR) techniques are ustvi to Store ions for irradiation. Ion storage times up to Z s XC used. Multiphoron dissociation is obscrwd at &LX intensities below 100 W cm-= and nt pressures below 10M5 Torr. On& the lok%est energ> decomposition of CSF:. to give CII': and CF?. is obserrrd. \IuItiphoton dissociation probabdities show .J Airp \\aveiength dcpendencz in contrast to t) pic;tI pulsed her multiphoron dissociation experiments. The photodissociation spectrum of C3P+6 is similar to the infrared absorption spectrum of neutral CsF6 .it both low and hi@ rcsoIution_ Collisions betv.een C3Fz .md unreactive buffer gases (Xr, x:'i_. SF6) rare seen to enhmce muttiphoton dissociation, lxhiie CoIlisions aith CsF6 deactivate the hSCr esciwd specks. The results are dbcmscd in terms of mechanisms for sIo\ multiphoton dissociation-