Table of Contents
USLO
Setup
Resonator
Mounting
Vacuum
Optics
Electronics
Laser at PTB
Laser at IQ
Fiber setup
Vibration isolation
Monitoring
Performance / Measurements
Future Setup @ IQ
USLO
Labbook
ToDo
List of ideas/open questions
Wishlist
List of orders and status
List of collaboration partner and companys
Setup
Resonator
Mirrors/Contamination
Substrates
Finesse measurement
Finesse measurement outside vacuum
Finesse measurement without spacer
Finesse measurement with spacer
Birefringence measurement with spacer
Finesse measurement inside vacuum
ULE-compensations-rings
Spacer
Optical Mask
Optical Contacting
Calculations
Calculation of Finesse outside vacuum
Calculation of reflectiondip / Impedance of the cavity
Calculation between cavity spectrum and frequency distance
Calculation of EOM frequency
Calcualtion of linewidth
Mounting
Mounting
Cleaning of the mounting
Vacuum
Vacuum tests
Vaccum tests
Bake out
Bake out tips
Bake out List
Bake out protocol
Vacuum Components
Vacuum chamber
CF-components: Pump, Sensor, Valves, etc.
Attaching of the vacuum feedthroughs
Seal material and vacuum suitable glue
Anpressring für die Fenster
Heat shield´s
Components: Heat shield and vacuum suitable screws
Electrolytic polishing
Mass spectrometry
Determination of transport screws for the resonator
Attaching of the windows on the heat shields
Vacuum optics
Optical components inside the vacuum: Windows and isolator
Attaching of the windows on the vaccum chamber
Optics
Incoupling breadboard
Incoupling breadboard
Components
Mode Matching
Outcoupling breadboard
Outcoupling breadboard
Electronics
Electronics inside the vacuum
Components for the electronics inside the vacuum and accessories
Instructions for attaching the electronic and labelling of the NTC´s
Characterization of the NTC´s
Electronics outside the vacuum
PTB electronic assignment
Components for the electronics outside the vacuum
Labelling of the cables
Laser at PTB
Company: NKT Photonics
Fiber laser Koheras Basik Module
Product type: K122-102-665
Wavelength: 1542.14 nm
Power setpoint: 40 mW
Power Range: 12-40 mW
Wavelength tuning: -499.9 … +570 pm
Power stability 0.01 dB
Laser at IQ
Todo List
Wavelength: 1560.47 nm
ITU channel number 21, 192.10 THz, 1560.61 nm
Laserdiode
Laserdiode Mount
Laser driver
Pin assignment/Cables
Temperature Controller
Laser Housing
Characterisation
SHG (1560nm -> 780nm)
Fiber setup
Fiber-components
Fiber-Photodiode (IQ Version)
EOM and AOM Box
Electronic-Components
Fiber-connections
Vibration isolation
Vibration isolation
Monitoring
Temperature and vacuum pressure monitoring
Performance / Measurements
Thermal noise limit
Pound-Drever-Hall (PDH)
Residuelle Amplitudenmodulation (RAM)
Vacuum pressure
Future Setup @ IQ
Frequency doubling 1560 - 780 nm
Transfer of stability:
Providing 10−16 Short-Term Stability of a 1.5-μm Laser to Optical Clocks
, C. Hagemann et. al., IEEE Transactions on instrumentation and measurement, VOL. 62, NO. 6 (2013)