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| (a) Energy and peak-power vs current (100 ns pulse-width) for a 5 × 5 mm 2D VCSEL array chip. (b) Fully assembled VCSEL-based active Q-switch module. The crystal is held in place by the pressure of all four VCSEL arrays against its facets, eliminating the need for optics and isolators. Credit: Princeton Optronics. |
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