Loaʻa i nā lasers ultrafast nā nanosecond, picosecond, a me nā laser femtosecond. ʻO nā laser Picosecond kahi hoʻonui i nā laser nanosecond a hoʻohana i ka ʻenehana paʻa mode, ʻoiai nā lasers nanosecond e hoʻohana i ka ʻenehana Q-switching. Hoʻohana nā lasers Femtosecond i kahi ʻenehana ʻokoʻa loa: hoʻonui ʻia ke kukui i hoʻokuʻu ʻia e ke kumu hua e ka pulse expander, hoʻonui ʻia e ka CPA power amplifier, a hoʻopaʻa hope ʻia e ka pulse compressor e hana i ke kukui. Hoʻokaʻawale ʻia nā lasers Femtosecond i nā nalu nalu like ʻole e like me ka infrared, ka ʻōmaʻomaʻo, a me ka ultraviolet, i waena o nā lasers infrared i loaʻa nā pono kūʻokoʻa i nā noi. Hoʻohana ʻia nā lasers infrared i ka hoʻoili waiwai, nā hana ʻokiʻoki, nā kamaʻilio uila, aerospace, ka pale aupuni, nā ʻepekema kumu, a me nā mea ʻē aʻe.