The list shows all projects coordinated within the Technical Committee for Length.

Projects TC-L

Reg. No.
Coordinating Institute
Collaboration Type
L 533 1998-11-01 High precision roundness NPL completed Comparison
L 471 1998-09-01 Short gauge blocks measured by interferometry LNE completed Comparison EUROMET.L-K1
L 456 1998-03-01 Comparison of angle gauges GUM completed Comparison
L 450 1997-11-20 Interferometric measurement of long gauge blocks RISE completed Comparison
L 462 1997-11-03 Intercomparison of ^127 I_2 stabilized 633 nm He-Ne lasers locked by 5th harmonic method MIKES completed Comparison
L 390 1997-06-01 Intercomparison of thermal expansion etalons. PTB completed Comparison
L 413 1997-06-01 Phase correction measurements in gauge block metrology NPL completed Comparison
L 406 1997-03-01 Dimensional calibration of small holes PTB completed Comparison
L 384 1996-08-01 Calibration of ring and plug gauges METAS completed Comparison
L 378 1996-05-01 Workshop on Wavelength Standards, May 6 and 7 1996, Paris LNE completed Consultation
L 371 1996-04-01 Angle calibration on precision polygons PTB completed Comparison
L 379 1996-04-01 Intercomparison of 127-I-2 stabilised He-Ne lasers at 633 nm RISE completed Comparison
L 372 1996-02-01 420 mm step-gauge calibration PTB completed Comparison
L 376 1996-01-01 Danish Reference Laboratory for Dimensional Metrology DFM completed Consultation
L 361 1995-06-01 Intercomparison of roundness profiles VSL completed Comparison
L 369 1995-06-01 Diameter calibration of cylindrical artefacts with nominal diameters of 2.5 mm PTB completed Comparison
L 340 1995-01-09 Research of precision measurement of laser wavelengths completed Research
L 283 1994-11-01 Workshop on uncertainty in dimensional metrology VSL completed Consultation
L 330 1994-08-01 Nordic intercomparison of coordinate measuring machines (CMM) RISE completed Comparison
L 301 1994-04-01 Intercomparison of calibration facilities for depth setting standards VSL completed Comparison
L 308 1994-03-01 Measurement of external diameter of metallic wires LNE completed Comparison
L 299 1993-10-11 Intercomparison of 127 I2 stabilized He-Ne lasers at 633 nm Aalto completed Comparison
L 288 1993-10-05 EUROMET-Workshop on 'Temperature Measurement in Dimensional Metrology PTB completed Research
L 289 1993-09-21 Workshop on traceable measurement of surface texture, September 21-22 1993, London NPL completed Research
L 306 1993-09-01 Training NPL completed Consultation
L 337 1993-07-12 Intercomparison of techniques for identifying CMM geometry errors INRIM completed Comparison
L 275 1993-02-01 Intercomparison for coefficient of thermal expansion of gauge blocks METAS completed Comparison
L 287 1993-01-01 A 3,43 µm source for new ion trap wavelength standards NPL completed Research
L 254 1992-06-01 Calibration of long gauge blocks up to length of 1000 mm PTB completed Comparison
L 244 1992-05-01 Development of a Length Bar Interferometer NPL completed Consultation
L 251 1992-03-01 Workshop on artefacts use for the calibration and performance of coordinate measuring machines LNE completed Research
L 252 1992-01-01 Measurement of line scales of one meter long LNE completed Comparison
L 255 1991-12-19 Workshop on calibration and testing of laserinterferomters, 11/12 March 1992, Berlin PTB completed Consultation
L 131 1991-01-01 Ion traps for new wavelength and frequency standards NPL completed Research
L 228 1991-01-01 Development of a practical air refractometer METAS completed Research
L 229 1990-11-01 Measurement of gauge blocks (<100 mm) by interferometry METAS completed Comparison
L 227 1990-03-23 Workshop on co-ordinate measuring technology NPL completed Research
L 207 1990-02-20 Workshop on Optical Frequency/Wavelength Standards PTB completed Consultation
L 7 1989-12-01 Calibration of gear standards PTB completed Traceabillity
L 135 1989-11-01 Calibration service for line standards from 0 to 3000 mm LNE completed Traceabillity
L 137 1989-11-01 Certification of API gauges NPL completed Traceabillity
L 142 1988-10-01 Calibration of polarimeters and saccharimeters PTB completed Traceabillity
L 438 Laboratory for dimensional measurements of GUM GUM completed Consultation
L 767 Exchange of experience in length calibration and proficiency testing DFM completed Research
144 result(s)