He aha ka hana laser ultrafast? ʻO ka laser ultrafast he laser pulse me ka laula pulse o ka pae picosecond a ma lalo. Ua like ka 1 picosecond me 10⁻¹² o kekona, ʻo ka māmā holo o ka mālamalama ma ka lewa he 3 X 10⁸m/s, a he 1.3 kekona paha ka hele ʻana o ka mālamalama mai ka Honua a i ka mahina. I loko o ka manawa 1-picosecond, ʻo ka mamao o ka neʻe māmā he 0.3mm. Hoʻopuka ʻia kahi laser pulse i kahi manawa pōkole a pōkole hoʻi ka manawa pili ma waena o ka laser ultrafast a me nā mea. Ke hoʻohālikelike ʻia me ka hana laser maʻamau, he liʻiliʻi ka hopena wela o ka hoʻoili laser ultrafast, no laila hoʻohana nui ʻia ka hana laser ultrafast i ka wili maikaʻi, ʻokiʻoki, engraving surface treatment of hard and brittle material e like me sapphire, aniani, diamond, semiconductor, ceramics, silicone, etc. S&He mana kiʻekiʻe & ʻO ka chiller laser ultrafast, me ka paʻa o ka mālama ʻana i ka mahana a hiki i ± 0.1 ℃, hiki ke hōʻike