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To improve efficacy and reduce complications from such laser treatment, an Osaka Metropolitan University-led research group has developed an index of the threshold energy density, known as fluence, and the dependent wavelength for picosecond lasers.

Using a visible laser pulse to trigger the switch, they sent a strong electrical current pulse lasting just one picosecond through the material.

“There’s a big hoopla over the picosecond lasers, but we outperform them hands-down,” he asserted.

“This has been minimized with lasers such as the PicoWay which use picosecond wavelength laser energy to destroy tattoo pigment under the skin with minimal damage to surrounding healthy skin.”

Ask whether they have the newest lasers — Q-switched or picosecond lasers, Bernstein said.