Laser dynamics amatanthauza kusinthika kwa kuchuluka kwa ma lasers pakapita nthawi, monga mphamvu ya kuwala ndi kupindula.

Khalidwe lamphamvu la laser limatsimikiziridwa ndi kuyanjana pakati pa gawo la kuwala mu mtsempha ndi kupeza sing'anga. Nthawi zambiri, mphamvu ya laser imasiyana ndi kusiyana pakati pa kupindula ndi kutsekeka kwa resonant, ndipo kuchuluka kwa kusintha kwa phindu kumatsimikiziridwa ndi njira yopititsira patsogolo kutulutsa komanso kutulutsa kwadzidzidzi (kuthanso kutsimikiziridwa ndi kuzima ndi njira yotumizira mphamvu).

Zoyerekeza zina zapadera zimagwiritsidwa ntchito. Mwachitsanzo, phindu la laser silokwera kwambiri. Mu kuwala kosalekeza laser, ubale pakati pa mphamvu laser P ndi phindu coefficient g m'mapapo amakwaniritsa coupling osiyana equation zotsatirazi:

Kuti T_R ndi nthawi yofunikira paulendo umodzi wozungulira m'bowo, l ndi kuchepa kwa magazi, g_ss ndi kupindula kwachizindikiro chaching'ono (pamphamvu yapampu yopatsidwa), τ_g ndi nthawi yopumula (nthawi zambiri imakhala pafupi ndi moyo wapamwamba wa mphamvu), ndi E_sat ndi tiye anakhuta mayamwidwe mphamvu ya sing'anga phindu.

Mu ma lasers opitilira apo, zomwe zimakhudzidwa kwambiri ndikusintha kwa laser (nthawi zambiri kumaphatikizapo kupanga ma spikes amphamvu) ndi momwe zimagwirira ntchito pakakhala chisokonezo pakugwira ntchito (nthawi zambiri kupumula). Mwa izi, mitundu yosiyanasiyana ya lasers ili ndi machitidwe osiyanasiyana.

Mwachitsanzo, ma lasers a doped insulator amatha kukhala ndi ma spikes ndi kupumula, koma ma laser diode satero. Mu laser Q-switched, khalidwe lamphamvu ndilofunika kwambiri, kumene mphamvu yosungidwa mu njira yopezera phindu idzasintha kwambiri pamene phokoso litulutsidwa. Ma laser a Q-switched fiber nthawi zambiri amakhala ndi zopindulitsa kwambiri, ndipo pamakhala zochitika zina zamphamvu. Nthawi zambiri zimapangitsa kuti pulse ikhale ndi zigawo zina mu nthawi, zomwe zingathe osafotokozedwa ndi equation yomwe ili pamwambapa.

A equation ofanana angagwiritsidwenso ntchito kungokhala chete mode-zokhoma lasers; ndiye equation yoyamba ikufunika kuwonjezera mawu owonjezera kuti afotokoze kutayika kwa saturable absorber. Chotsatira cha zotsatirazi ndikuti kuchepetsedwa kwa kumasuka kwa oscillation kumachepetsedwa. Njira yopumula yopumula simatsitsa ngakhale pang'ono, kotero njira yokhazikika imakhala yosakhazikika, ndipo laser ili ndi mphamvu.ena kusakhazikika za Q-switched mode-lock kapena mitundu ina ya Q-switchndi.