Laser Locking Controller: Preci-Lock
Likaroloana
Selaoli sa Preci-Lock se kenyelletsa haholo moduli ea modulation le demodulation, module ea PID le module ea amplifier e phahameng.Ntle le moo, e kenyelletsa sebopeho sa puisano sa protocol ea RS422 le sebopeho sa phepelo ea matla a ± 12V.Preci lock e ka khotsofatsoa bakeng sa litlhoko tse tloaelehileng tsa laser frequency stabilization.
Modulation & Demodulation Module
| Mekhahlelo | Litlhaloso |
| Modulation Power Range | 0-1023(Boholo. 10dBm) |
| Modulation Output Frequency | 20MHz/3MHz/10kHz |
| Phase Regulation Range | 0-360° |
| PD Signal Input Range | <1Vpp |
| PD Signal Input Coupling | AC Coupling |
| PD Signal Input Coupling Impedance | 50 Ω |
| Mojule oa modulation le demodulation o tsamaisa laser, 'me o theola lets'oao la spectral le bonoang ke detector ho hlahisa lets'oao la phoso.Modulation frequency ka customized ho ea ka moreki. | |
PID MODULO
| Mekhahlelo | Litlhaloso | |
| PID e hlahisoang ka potlako | PIDP ea mocha o le mong | |
| PID e hlahisoang ka potlako | PIDP+ PI Tandem | |
| PIDP Integral Folding Frequency | (3.4 kHz-34 kHz), (1 kHz-10 kHz), (330 Hz-3.3 kHz) , (100 Hz-1 kHz) , (33 Hz- 330 Hz), (10 Hz-100 Hz), (3.3 Hz-33 Hz), (1 Hz-10 Hz) | |
| PIDP Differential Folding Frequency | 16 kHz , 34 kHz , 59 kHz , 133 kHz , 284 kHz , 483 kHz , 724 kHz | |
| PI Integral Folding Frequency | 33 kHz , 10 kHz , 3.3 kHz , 1 kHz , 330 Hz , 100 Hz , 33 Hz | |
| Fast Output | Bophahamo ba sephetho | 500 kHz |
| Sebaka sa Phatlalatso | -9 V-9 | |
| Range ea tokiso ea leeme | 0-9 V | |
| Fumana tokiso ea Range | 0.0005-25 | |
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| Ts'ebetso ea Outputreverse | Kenyeletso |
| Sehlahisoa se butle
| Bophahamo ba sephetho | 500 kHz |
| Sebaka sa Phatlalatso | -9 V-9 | |
| Range ea tokiso ea leeme | 0-9 V | |
| Fumana tokiso ea Range | 0.0003-20 | |
| Ts'ebetso ea Outputreverse | Kenyeletso | |
| Khafetsa ea ho skena | 2 Hz | |
| Ho hlahloba waveform | Leqhubu la Triangular | |
| Boemo bo phahameng ba ho Scanning | 0-9 V | |
| Lekhetlo la lets'oao la phoso tokiso | Range | -2 V-2 V |
| Ho nepahala | 0.25 mV | |
| Kenyo ya Phoso ya Letshwao
| Sebaka se sa tsitsang | -0.5 V-0.5 V |
| InputImpedance | 510 Ω | |
| Notlela Reference Input | Mefuta e Kenyelitsoeng | -9 V-9 |
| InputImpedance | MΩ | |
| Maqhubu a laser a ka laoloa ke module ea PID ka pontšo ea maikutlo ho latela letšoao la phoso.Setšoantšo sa PID ho Preci-lock e letotong la sebopeho sa PID, ho kenyeletsoa li-PI tse peli, 'me e fana ka likou tse peli tse hlahisoang, litekanyo tsa module li ka khona. ho lokisoa ka nepo e phahameng. | ||
Module ea amplifier ea matla a phahameng
| Li-laser kapa lisebelisoa tse ling li hloka matla a phahameng a dc ho khanna PZT.Mojule oa Preci-Lock o hahelletsoeng ka holimo oa dc voltage amplifier o ka ntša lets'oao la motlakase le fihlang ho 110V ka matlafatso ea ona makhetlo a 15. | Mekhahlelo | Litlhaloso |
| kgolofatso | 15 | |
| Sebaka sa Phatlalatso | 0-110 V | |
| Bandwith | Boemo bo phahameng ba ho hanyetsa boima ba bandwidth 50 kHz | |
| Capacitive load bandwidth (sehlahisoa se senyenyane sa pontšo (0.1 uF load) 20 kHz | ||
| Bokhoni ba ho khanna (Max. Output Current) | 50 mA |
Laola Software
Sehokelo sa Preci-Lock
Bakeng sa taolo e betere ea maqhubu a laser, Preci-Lock e lahla likonopo le likonopo.'Me liphetoho tsohle tsa paramethara le taolo ea ho notlela li bonoa ke software ea PC.Software ea Preci-lock e kenyelletsa mesebetsi ea taolo ea puisano, ponts'o le ponts'o ea lets'oao la phoso, tokiso ea li-parameter tsa module ea PID, taolo ea ho notlela joalo-joalo.Ntle le khokahano e hlokahalang ea 'mele, taolo ea ho notlela laser e ka bonoa ka botlalo ke software ea Preci Lock.Ts'ebetso e hloekileng ea dijithale e bonolo ho basebelisi.Karolo e 'ngoe ea software ea Preci-Lock ke ts'ebetso ea ho notlela ka boiketsetso, e ka hlokomelang ho notlela ka mokhoa o ikhethileng oa maqhubu a laser tlas'a litlhophiso tse loketseng tsa parametha.Ka mokhoa oa ho notlela othomathike, Preci-Lock e khona ho tseba ho notlela, ho notlolla ho ahlola le ho notlela bocha maqhubu a laser.Mokhoa ona o ka hlokomela ho notlela nako e telele ho tsitsitseng ha maqhubu a laser, haholo-holo a loketseng teko ea athomo e batang ea fisiks e hlokang tekanyo e tsoelang pele ea nako e telele.
Mohlala
Joalo ka mojule oa taolo ea ho notlela e sebetsang ka botlalo, Preci-Lock e ka fihlela litlhoko tse ngata tsa ho notlela khafetsa.Ho notlela khafetsa ho ka aroloa ka ho feto-fetoha ha ka hare le ho notlela ka ntle ho frequency modulation ho latela modulation e fapaneng.Mekhoa e 'meli ea ho notlela khafetsa e fapane ka molao ha khokahano ea 'mele ea Preci-Lock le eona e fapane ho bona.
Rubidium atom saturation absorption spectrum le lets'oao le ts'oanang la phoso (ka ho le letšehali);
Liphetho tsa ka hare tsa modulation frequency botsitso (ka ho le letona).
◆Ho tsitsisa Maqhubu a Ho Fetolana ha ka hare
Bakeng sa ho feto-fetoha ha molumo ka hare, lets'oao la ho feto-fetoha le maikutlo li fana ka maikutlo hammoho ho laser ka adder.Sebaka sa senotlolo sa maqhubu se tsamaisanang le tlhōrō ea maqhubu le maqhubu a pono.Mokhoa o tloaelehileng oa ho feto-fetoha ha maqhubu a ka hare o amoheloa ka mokhoa oa "lock-in saturation absorption spectrum" kapa "absorption spectrum frequency stabilization".
Rubidium atom modulation transfer spectrum le lets'oao le ts'oanang la phoso (ka ho le letšehali);
Liphetho tsa ka ntle tsa ho tsitsisa maqhubu a molumo (ka ho le letona).
◆Ho tsitsisa Frequency ea ho Fetolana ka Ntle
Bakeng sa modulo oa kantle, lets'oao la modulation le lets'oao la maikutlo li arotsoe le kantle
lets'oao la modulation le sebelisoa ho modulator e ikemetseng e kantle.The frequency lock point e tsamaellanang le zero point ea spectra.Mokhoa o tloaelehileng oa ho tsitsa ha maqhubu a kantle o amoheloa ka sekhahla sa phetisetso ea modulation kapa botsitso ba maqhubu a PDH.
