Influence of collisions and pulse intensity on multiple photon absorption in SF6

R. V. Ambartzumian; G. N. Makarov; A. A. Puretzky

doi:10.1016/0030-4018(80)90164-9

Influence of collisions and pulse intensity on multiple photon absorption in SF₆

R. V. Ambartzumian, G. N. Makarov, A. A. Puretzky

RAS - Institute of Spectroscopy

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Using a pyroelectric detector, the multiple photon absorption (MPA) of the SF₆ molecule in a wide range of pressures (10^-3 -1 torr) has been studied. The significant role of collisions in MPA has been shown. The fraction of molecules excited under essentially collisionless conditions has been defined. It is shown that under collisionless excitation of SF₆ (p < 10^-2 torr) at energy fluences E < 10^-1 J/cm² the intensity of the laser pulse plays the essential role, while in presence of collisions MPA is determined mainly by the energy fluence in the pulse.

Original language	English
Pages (from-to)	81-85
Number of pages	5
Journal	Optics Communications
Volume	34
Issue number	1
DOIs	https://doi.org/10.1016/0030-4018(80)90164-9
State	Published - Jul 1980
Externally published	Yes

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title = "Influence of collisions and pulse intensity on multiple photon absorption in SF6",

abstract = "Using a pyroelectric detector, the multiple photon absorption (MPA) of the SF6 molecule in a wide range of pressures (10-3 -1 torr) has been studied. The significant role of collisions in MPA has been shown. The fraction of molecules excited under essentially collisionless conditions has been defined. It is shown that under collisionless excitation of SF6 (p < 10-2 torr) at energy fluences E < 10-1 J/cm2 the intensity of the laser pulse plays the essential role, while in presence of collisions MPA is determined mainly by the energy fluence in the pulse.",

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AU - Ambartzumian, R. V.

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AU - Puretzky, A. A.

PY - 1980/7

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N2 - Using a pyroelectric detector, the multiple photon absorption (MPA) of the SF6 molecule in a wide range of pressures (10-3 -1 torr) has been studied. The significant role of collisions in MPA has been shown. The fraction of molecules excited under essentially collisionless conditions has been defined. It is shown that under collisionless excitation of SF6 (p < 10-2 torr) at energy fluences E < 10-1 J/cm2 the intensity of the laser pulse plays the essential role, while in presence of collisions MPA is determined mainly by the energy fluence in the pulse.

AB - Using a pyroelectric detector, the multiple photon absorption (MPA) of the SF6 molecule in a wide range of pressures (10-3 -1 torr) has been studied. The significant role of collisions in MPA has been shown. The fraction of molecules excited under essentially collisionless conditions has been defined. It is shown that under collisionless excitation of SF6 (p < 10-2 torr) at energy fluences E < 10-1 J/cm2 the intensity of the laser pulse plays the essential role, while in presence of collisions MPA is determined mainly by the energy fluence in the pulse.

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JO - Optics Communications

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Influence of collisions and pulse intensity on multiple photon absorption in SF₆

Abstract

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