[[Image:spherabs.png|right|thumb|300px|Zygo image of pulses made on diamond after passing through a single focusing lens.]] [[Image:goodfocus.png|right|thumb|300px|Zygo image of pulses made on diamond after passing through the three lens system.]] | [[Image:spherabs.png|right|thumb|300px|Zygo image of pulses made on diamond after passing through a single focusing lens.]] [[Image:goodfocus.png|right|thumb|300px|Zygo image of pulses made on diamond after passing through the three lens system.]] |