| abstract |
The utility model discloses a kind of slab laser amplifier, comprise seed laser module, pump module, gain media module, dichroic mirror module, described pump module, dichroic mirror module, gain media module is set up in parallel, described seed laser module be located at described in the module side that is set up in parallel, also comprise magnifier module, described gain media module comprises laser crystal and 2 pieces of cooling heat sinks, described laser crystal is for doping laser crystal and 2 blocks of undoped laser crystals are glue-free is bonded together, the thickness of described laser crystal is 0.5-1.5mm, the utility model utilizes the gain media of bonding laser crystal as laser amplifier of ultra-thin battened construction, magnifier module is adopted to reach MOPA system, decrease the thermal effect of laser crystal, enhance laser crystal surface damage threshold value, add laser gain extraction efficiency, high-output power can be obtained, continuous or the pulse laser of high light beam quality amplifies output. |