RPMC Industrial picosecond laser neoMOS-70ps

Chidule cha Zamalonda ndi Mbiri Yaukadaulo

neoMOS-70ps ndi woyimira wodziwika bwino wa makina a laser a picosecond laser opangidwa ndi neoLASE waku Germany, ndipo ndi membala wa neoMOS ultrashort pulse laser series. Mndandandawu umaphatikizapo mitundu yokhala ndi makulidwe osiyanasiyana, kuchokera ku femtosecond neoMOS 700fs mpaka picosecond neoMOS 10ps ndi neoMOS 70ps, kupanga ultrashort pulse laser solution7. neoMOS-70ps idapangidwa mwapadera kuti ikhale yopangira mafakitale mosalekeza, kuphatikiza ukadaulo wapamwamba wa fiber oscillator ndi zomangamanga zodalirika zama amplifier, ndikuwonetsa magwiridwe antchito modabwitsa pantchito yolondola ya micromachining.

Malinga ndi magwero aukadaulo, mndandanda wa neoMOS umayimira akatswiri aukadaulo a neoLASE m'malo opangira ma lasers olimba, ndipo malingaliro ake opangira amatsindika bwino pakati pa "kudalirika" ndi "kukonza kochepa"1. Poyerekeza ndi machitidwe amtundu wa laser ultrafast, neoMOS-70ps amasiya ukadaulo wovuta wa CPA (chirped pulse amplification) ndikutengera mawonekedwe osavuta komanso aluso a MOPA (master oscillator power amplifier), omwe samangochepetsa kukula kwa dongosolo, komanso amathandizira kwambiri kutembenuka kwamphamvu kwamphamvu. Lingaliro lokonzekerali limayankha kufunikira kwachangu kwa makampani opanga miniaturization ndi kuphatikiza kwa zida, kupanga kukula kwa mutu wa laser kumayendetsedwa modabwitsa 330mm × 220mm 90mm (15W version), zomwe zimathandizira kwambiri kusakanikirana kwadongosolo.

Kupikisana kwakukulu kwa neoMOS-70ps kumawonekera pakukhazikika kwake kwamafakitale. Zipangizozi zidapangidwa kuti zizigwira ntchito mosalekeza kwa 24/7, ndipo nthawi yayitali pakati pa zolephera (MTBF) imaposa kwambiri ya ma lasers a labotale, chifukwa cha mapangidwe osafunikira a zigawo zikuluzikulu ndi mayeso okhwima otengera chilengedwe7. Makina a laser amatenga kamangidwe kake, makamaka kuphatikiza magawo asanu: gwero la mbewu (fiber oscillator), preamplifier, main amplifier, harmonic jenereta (posankha) ndi gawo lowongolera. Pakati pawo, gwero la mbewu limachokera ku kupopera kodalirika kwa laser diode kuti apange ma picosecond pulses; gawo la amplifier limagwiritsa ntchito ukadaulo wokulitsa mphamvu kuti zitsimikizire kukhulupirika kwa mawonekedwe a pulse panthawi yokweza mphamvu.

Kutengera momwe msika ulili, neoMOS-70ps imayang'ana kwambiri gawo lazinthu zotsogola kwambiri, kuphatikiza koma osalekeza kupanga ma photovoltaic ndi zinthu zamagetsi zamagetsi, kukonza magalasi, ndi chitetezo ndi ntchito zolembera zokongoletsa. M'madera awa, 70ps pulse width imapereka kuwongolera kwamadera komwe kumakhudzidwa ndi kutentha kwinaku mukupewa zovuta komanso mtengo wa ultrashort pulses (monga femtosecond lasers). Laser imathandizira kusintha kubwereza kwa kubwereza (kuchokera kumodzi mpaka 80MHz) ndi kuwongolera mphamvu yamphamvu (mpaka 250μJ), yomwe imatha kusintha malinga ndi zosowa zosiyanasiyana.

Magawo aumisiri ndi magwiridwe antchito

Laser ya neoMOS-70ps picosecond imagwira ntchito bwino pamagawo ambiri aukadaulo chifukwa cha kapangidwe kake kaukadaulo kaukadaulo, ikukwaniritsa zofunikira pakukonza mwatsatanetsatane mafakitale. Kumvetsetsa kwakuya kwa zizindikiro zaumisiri izi ndikofunikira pakusankha zida, kukonza njira ndi kuphatikiza dongosolo. Gawoli lisanthula magawo oyambira a laser ndi tanthauzo laukadaulo kumbuyo kwawo mwatsatanetsatane kuti athandize ogwiritsa ntchito kumvetsetsa bwino magwiridwe antchito a zida.

Basic linanena bungwe makhalidwe

Kutalika kwapakati pa neoMOS-70ps ndi 1064nm, yomwe ili pafupi ndi infrared spectrum range. Kutalika kwa mafundewa kumakhala ndi mayamwidwe oyenera azinthu zosiyanasiyana zamafakitale, ndipo kumatha kusinthidwa bwino kukhala kuwala kobiriwira (532nm) kapena kuwala kwa ultraviolet (355nm/266nm) kudzera mu makhiristo osagwirizana kuti akwaniritse zofunikira zapadera24. Laser imapereka mphamvu yotulutsa pafupifupi 15W, yomwe ndi mphamvu yapakati-mpaka-pamwamba pakati pa ma lasers a picosecond ndipo ndi yokwanira pa ntchito zambiri za micromachining. Mphamvu yake yamtundu umodzi imatha kufika 250μJ, kupereka chitsimikizo chokwanira cha mphamvu pakukonza zida zapamwamba.

Kukula kwamphamvu ndiye maziko otchulira dzina ndi gawo lalikulu la neoMOS-70ps, lomwe limayendetsedwa ndendende pa 70 picoseconds (70,000 femtoseconds)4. Kuthamanga kwamphamvu kumeneku kumayenderana mwanzeru kuwongolera kulondola komanso kuvutikira kwamachitidwe - poyerekeza ndi ma lasers a nanosecond, malo omwe amakhudzidwa ndi kutentha amachepetsedwa kwambiri, ndipo chiwopsezo cha kuwonongeka kwamaso komwe kumayambitsidwa ndi mphamvu yayikulu kwambiri ya femtosecond lasers kumapewa. Laser imathandizira kusinthasintha kwapang'onopang'ono kosiyanasiyana kuchokera pakupanga kamodzi kupita ku 80MHz, ndipo ogwiritsa ntchito amatha kusankha mosinthika malinga ndi kukonza bwino komanso kulondola zofunikira2. Ndikoyenera kudziwa kuti chipangizocho chikhoza kukhala ndi "Burst mode" (mode ya pulse train), yomwe ingathe kukwaniritsa zovuta zotsatizana za pulse popanda zoyambitsa zakunja kuti zikwaniritse zosowa zapadera zopangira zinthu.