780nm laser frequency locking module

Chitsanzo:

Kufotokozera Kwachidule:

Kuyesa kwa ma atomu ozizira ndi Rb kumafunikira ma laser okhala ndi ma frequency enieni ndipo gulu la Erbium limayambitsa ndandanda yotseka pafupipafupi ya 780nm laser.Tinapanga moduli yotsekera pafupipafupi yolumikizidwa ndi fiber ndi makina ophatikizika a optical ndi zida zina za fiber.Mutuwu ukhoza kupereka chizindikiro chokhazikika cha SAS kapena MTS ndipo pamodzi ndi olamulira athu a laser Preci-Lock, kutseka kwafupipafupi ndi kukhazikika kwa nthawi yaitali kumatheka.Kusiyana kwafupipafupi pakati pa ma laser awiri kuyenera kukhala kopitilira muyeso muzoyeserera zina zozizira za atomu.Kwa 87Rb atomu gravimeter, kusiyana kwafupipafupi kwa laser yozizira ndi laser repumping kuyenera kukhala pafupifupi 6.6GHz ndipo pa ma laser awiri a Raman mtengo wake ndi 6.834GHz.PreciLasers yakhazikitsa chowongolera chapadera cha laser Preci-Beat chotsekera pafupipafupi kuchokera pa 50MHz mpaka 8GHz ndi njira yotsekera pafupipafupi/gawo.

pezani mtengo Tsitsani

Technical Parameter

Zolemba Zamalonda

Integrated Optical module

Ndi gawo lophatikizira lotsekera ma frequency a spatial, PreciLasers amapanga moduli yotseka pafupipafupi yolumikizidwa ndi fiber.Gawoli limapereka chizindikiro chokhazikika cha SAS kapena MTS pa mzere wa Rb D2 ndipo mawonekedwewo amatha kupereka chizindikiro cholakwika pakutseka pafupipafupi kwa 780nm laser.

Miyeso ya Integrated frequency-Locking Optical module

SAS ndi MTS chizindikiro kuchokera ku Integrated Optical module

Multifunction laser controller

Gulu la Erbium limapereka chowongolera cha laser chamitundu yambiri chotseka pafupipafupi pamikhalidwe yosiyana.Wowongolera, yemwe amatchedwa Preci-Lock, amaphatikizidwa ndi modemu, PID module ndi High-Voltage amplifier ndipo imatha kugwira ntchito ngati jenereta yolakwika, PID servo ndi dalaivala wa PZT nthawi yomweyo.Ntchito zonse za Preci Lock zimayendetsedwa ndi mapulogalamu opanda batani lakuthupi kapena mfundo.Wowongolera amatha kugwira ntchito mosiyanasiyana potengera makonda.Pansi pa mkati-modulation mode laser imatsekedwa ndi SAS kapena AS pomwe pansi-modulation mode laser imatsekedwa ndi MTS kapena PDH njira.

Kwa ma laser amanjira angapo,Gulu la Erbiumimapereka chowongolera china cha laser Preci-Beat chotsekera pafupipafupi.Preci-Beat imaphatikizidwa ndi PFD ndi PID module ndipo imayendetsedwanso ndi mapulogalamu.

Gulu lakutsogolo la Preci-Beat

SAS-kutseka

Kutseka pafupipafupi ndi SAS kumatengera Lock-in amplifier.Tengani SAS ya 85Rb atomu mwachitsanzo, Preci-Lock pezani chizindikiro cha SAS kuchokera ku module yamagetsi yophatikizika ndikupanga chizindikiro cholakwika ndi loko mu amplifier, gawo la PID mu Preci-Lock lidzatseka ma frequency a 780nm laser.

SAS ndi chizindikiro cholakwika mu pulogalamu ya Preci-Lock

Timamanga makina awiri odziyimira pawokha a SAS a laser 780nm ndikuyesa kuyesa kwa laser ndi laser yawo ya 1560nm.Izi zitha kuwonetsa kukhazikika kwa kutseka pafupipafupi.