Operating characteristics of UV and IR hollow-cathode silver, gold and copper ion lasers

Jain, Kanti; Newton, S. A.

doi:10.1007/bf00702686

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Cited by 14 publications

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“…Because in the latter work the losses of the resonator were less (probably due to the longer wavelength), the threshold current monotonically decreased with decreasing active length. In a lower gain conventional hollow cathode discharge [29], the threshold current-active length curve had a minimum for the same transition.…”

Section: Resultsmentioning

confidence: 93%

High-gain ultraviolet Cu-II laser in a segmented hollow cathode discharge

Szalai¹,

Rózsa

Ulbel

et al. 1998

IEEE J. Quantum Electron.

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We report measurements of the discharge and laser characteristics of an ultraviolet (UV) copper ion laser radiating on the 248.6-and 270.3-nm transitions. Our 50-cm active length laser operates in a high-voltage segmented hollow cathode discharge with Brewster windows and external mirrors. The lowest threshold currents were 7.3 and 5.6 A for the above transitions, respectively. The threshold current was found to increase with decreasing active length. We obtained superior gain characteristics (to 11.2 and 8.8%/m gain for the 248.6and 270.3-nm transitions, respectively, at 0.3 A/cm linear current density) compared with previous studies on UV Cu ion lasers in conventional hollow cathode discharges.

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Section: Resultsmentioning

confidence: 93%