Copper-vapor laser with closed-cycle tranverse vapor flow

Ferrar, C.

doi:10.1109/jqe.1973.1077750

Cited by 11 publications

(2 citation statements)

References 4 publications

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“…Figure 3 shows a schematic drawing of this laser. It is a transverse vapor flow laser [11], i.e. the excited atoms enter the active volume from the metal sample surface.…”

Section: Model Of Two-level Systemsmentioning

confidence: 99%

Two-level lasers operating on the transitions to the ground state

Gerasimov

2011

Russ Phys J

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We analyze in detail a model of two-level lasers with a thermal production of population inversion proposed by V. A. Gerasimov et al. (Phys. Rev. Lett., 2006, 96, 123902). We show that it is possible to obtain nine new laser lines on the transitions to the ground state in atoms of rare-earth metals (REMs) with an incomplete 4f shell (Pr, Nd, Sm, Eu, and Tb-Tm). The laser line wavelengths are from the UV (Eu) to the middle IR (Tb and Er) regions of the spectrum. Based on the estimates of the specific laser energy parameters (power, power density, and efficiency), we conclude that only Sm, Eu, and Tm (among the REMs under study) are suited for the experimental prototypes of these lasers. The estimated maximum efficiency and specific power density of continuous lasing can reach the values of >40% and ∼10 7 ÷10 9 W/cm 2 , respectively.

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“…Figure 3 shows a schematic drawing of this laser. It is a transverse vapor flow laser [11], i.e. the excited atoms enter the active volume from the metal sample surface.…”

Section: Model Of Two-level Systemsmentioning

confidence: 99%

Two-level lasers operating on the transitions to the ground state

Gerasimov

2011

Russ Phys J

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“…The two level laser under consideration is a transverse vapor flow laser [10]; i.e., the excited atoms enter the active volume from the surface of the metal sample. When interacting with self-field of induced emission the excited atoms emit quanta of energy and settle on a colder upper wall of the laser tube.…”

mentioning

confidence: 99%

Two Level Metal Vapor Lasers with Thermal Creation of Population Inversion

Gerasimov

Pavlinskiy

2006

Phys. Rev. Lett.

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We present a new technique for direct conversion of thermal energy into coherent radiation. The near-surface layer of evaporated excited atoms of rare earth metals is proposed to be used as a converter. There is an inverted population in this layer. Operation principles of two level lasers on the transitions to the ground state using Eu are considered. The fact of detachment of Sm atoms in the excited 4f(N-1)5d6s2 state during the thermal evaporation process has been proved experimentally.

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2. Atomic and Ionic Gas Lasers

Bridges¹

1979

Methods in Experimental Physics

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Copper-vapor laser with closed-cycle tranverse vapor flow

Cited by 11 publications

References 4 publications

Two-level lasers operating on the transitions to the ground state

Two-level lasers operating on the transitions to the ground state

Two Level Metal Vapor Lasers with Thermal Creation of Population Inversion

2. Atomic and Ionic Gas Lasers

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