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Více informací o knize Rubidium Recycling in a High Intensity Short Duration Pulsed Alkali Laser

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Anotace knihy

Laser induced fluorescence was used to study how pump pulse duration and alkali recycle time effects maximum power output in a Diode Pumped Alkali Laser (DPAL) system. A high intensity short pulsed pump source was used to excited rubidium atoms inside a DPAL-type laser. The maximum output power of the laser showed a strong dependence upon the temporal width of the pump pulse in addition to the input pump intensity. A linear relationship was observed between the maximum output power and the pulse width due to the effective lifetime of the excited state, defined as the time it takes for the alkali to be excited to the 2P3/2, relax down to the 2P1/2 state, and finally lase. This effective lifetime, calculated to be 0.139 ns, allowed for a calculation of the number of times each alkali atom in the pump volume could be used for lasing during a pulse. The number of recycles ranged from approximately 15 during the shorter 2 ns pulses up to 50+ times during the 7-8 ns pulses. The maximum output of the system scaled linearly with the number of cycles available.

Parametry knihy

Zařazení knihy Knihy v angličtině Society & social sciences Education

• Plný název: Rubidium Recycling in a High Intensity Short Duration Pulsed Alkali Laser
• Autor: Wooddy S Miller
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 60
• EAN: 9781249588221
• ISBN: 9781249588221
• ID: 08142083
• Nakladatelství: Biblioscholar
• Hmotnost: 127 g
• Rozměry: 246 × 189 × 3 mm
• Datum vydání: 03. October 2012

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