Abstract

A device is described that allows detailed and sensitive examination of the precursors to both nanosecond and possibly picosecond laser pulses without damaging detectors. A one-to-one telescope, constructed with lenses with focal lengths 5.0 cm and which may be pressurized to 800-Torr argon gas, is used to demonstrate the operation. It is shown that breakdown in the gas, at times before the peak power of the pulses, absorbs the energy allowing only the early portion of the laser pulse to pass unattenuated. Energy loss is observed at argon pressures below the threshold for observation of nonlinear transmission (gas breakdown).

© 1972 Optical Society of America

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References

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  1. H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
    [CrossRef]
  2. I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

1970 (1)

I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

1965 (1)

H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
[CrossRef]

Buscher, H. T.

H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
[CrossRef]

Damon, E. K.

H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
[CrossRef]

Krasyuk, I. K.

I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

Pashinin, P. P.

I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

Prokhorov, A. M.

I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

Tomlinsonj, R. G.

H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
[CrossRef]

Phys. Rev. Lett. (1)

H. T. Buscher, R. G. Tomlinsonj, E. K. Damon, Phys. Rev. Lett. 15, 847 (1965).
[CrossRef]

Sov. Phys. JETP (1)

I. K. Krasyuk, P. P. Pashinin, A. M. Prokhorov, Sov. Phys. JETP 31, 860 (1970).

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Figures (4)

Fig. 1
Fig. 1

Schematic of pressurized one-to-one telescope.

Fig. 2
Fig. 2

(a) Time history of incident laser pulse; P (argon) ≤ 1 Torr. (b) Time history of transmitted laser pulse; P (argon) = 200 Torr. (c) Same as (b) with P (argon) = 800 Torr. Note increased sensitivity.

Fig. 3
Fig. 3

Time of breakdown in argon as a function of pressure. Time measured with respect to peak of laser pulse.

Fig. 4
Fig. 4

Energy transmitted through pressurized telescope as a function of pressure for an incident beam diameter of 6.3 mm.

Tables (1)

Tables Icon

Table I Measured Characteristics of Lenses Used in Pressurized Telescope Described in Text

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