Wavelength References Clarity Series Operator'S Manual Download Page 1

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Operators Manual

Clarity

Precision Frequency Reference

Laser Locked to a Molecular Absorption Line

Operating Manual 0700-M Rev C



Wavelength References, 2012

Wavelength References

1800 SW 3

Street, #140

Corvallis, OR 97333

Voice (541)738-0528

Fax (541)-738-0998

E-mail:

[email protected]

Wavelength References

Summary of Contents for Clarity Series

Page 1: ...Molecular Absorption Line Operating Manual 0700 M Rev C Copyright Wavelength References 2012 All Rights Reserved Wavelength References 1800 SW 3rd Street 140 Corvallis OR 97333 Voice 541 738 0528 Fax...

Page 2: ...duct to Customer if the shipment is within the United States or Canada Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to other l...

Page 3: ...ed 7 4 1 1 Password 7 4 1 2 Initial Calibration 7 4 1 3 Interlock 7 4 2 Front Panel Operation 7 4 2 1 Menu 7 4 2 2 LOCK MODE 9 4 2 3 CAL 9 4 2 4 ACTIVE 9 4 3 Front panel display 9 4 3 1 Frequency and...

Page 4: ...lication for the Clarity laser is to provide an extremely accurate and stable wavelength standard in the DWDM band This can be used as a calibration source for an OSA optical spectrum analyzer or to v...

Page 5: ...wavelength while still being referenced to an unchanging molecular energy level This allows for wavelengths to be offered that are exactly on an ITU DWDM grid location Note only available on some gri...

Page 6: ...difficulties Another possibility investigated was frequency doubling 1500 1560nm light to probe atomic transition in the 750 780nm area This approach requires complicated and expensive apparatus Mole...

Page 7: ...ant temperature There is essentially no long term drift due to the gas line reference The tube construction uses a low melting temperature glass that results in a true hermetic seal The line center lo...

Page 8: ...Take care to clean all fiber connections to the laser well before making connection This will help keep the internal ferrule clean and undamaged If the internal ferrule is dirty you can attempt to cl...

Page 9: ...s the command 4 1 2 Initial Calibration Our high power 30mW lasers include a warm up cycle when first turned on After the laser is first turned and the ACTIVE button is pressed the front panel display...

Page 10: ...n press NEXT The front panel will display Laser Password and the laser will be off To re enable the laser press and hold either directional button to scroll to the correct password and then press NEXT...

Page 11: ...weeps the laser across a limited spectral range approx 150 GHz and identifies the position of the gas line s peak absorption This information is used in the instrument s locking routines Should you pr...

Page 12: ...t was opened then closed 2 the instrument s locking routine exceeded its dynamic range and had to re center to the absorption line This can occur if the instrument s temperature changes suddenly To cl...

Page 13: ...e used as a diagnostic or in gas sensing system experiments where the laser is scanning the line to provide an indication of the exact timing and scanning of the absorption feature 3 RS 232 The Clarit...

Page 14: ...e Boolean 0 1 off on Sets laser enabled disabled state SOURce STATe Queries laser enabled disabled state SOURce WAVElength xxxx xxxxxnm Queries target wavelength System Subsystem SYSTem ERRor NEXT Que...

Page 15: ...EEE 488 2 Requirements CLS Clear status command ESE numeric value Standard event status register ESE IDN Identification query OPC Operation complete enable OPC RST Reset command STB Read status byte q...

Page 16: ...cted 220 Parameter error No entry in list to retrieve number list or channel list 221 Settings conflict Check rear interlock Settings Conflict Check rear interlock 222 Data out of range Data out of ra...

Page 17: ...equency standard locked to a physical constant We rely on published wavelength data from HITRAN or NIST where available Wavelength Reproducibility 2 MHz 600Khz RMS Typical At 25 C 5 C after self calib...

Page 18: ...classification may be shipped by any customary means 8 Bibliography 1 F Nez F Biraben R Felder and Y Millerioux Opt Comm 102 432 438 1993 2 K Nakagawa M de Labachelerie Y Awaji and M Kourogi Accurate...

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