SECTION 1: GENERAL
1.1 Introduction
1.2 Scope
1.3 Normative references
SECTION 2: BASIS OF CALIBRATIONS
2.1 Definitions
2.2 Mathematical basis
2.2.1 Deviations and correction factors
2.2.2 Systematic uncertainties
2.2.3 Random uncertainties
2.2.4 Accumulation of uncertainties
2.2.5 Reporting
2.3 General advice for accurate measurements and
calibrations
2.3.1 Organization
2.3.2 Calibration methods and procedure
2.3.3 Advice for measurements and calibrations
2.3.4 Recommendations to customers
SECTION 3: CALIBRATION AT REFERENCE CONDITIONS
Calibration at reference conditions
3.1.1 Establishing the reference conditions
3.1.2 Transfer and correction factor
3.1.3 Uncertainty at reference conditions
3.2 Transfer-related correction factors and uncertainty
3.2.1 Transfer-related correction factors and
uncertainties caused by the parent meter
3.2.1.1 Ageing (transfer-related correlation
factor and uncertainty of the
parent meter due to ageing)
3.2.1.2 Temperature dependence (transfer-
related correction factor and
uncertainty of the parent meter
due to temperature dependence
3.2.1.3 Nonlinearity (transfer-related
correction factor and uncertainty
of the parent meter due to
nonlinearity)
3.2.1.4 Dependence on beam geometry (transfer-
related correction factor and
uncertainty of the parent meter due
to beam geometry)
3.2.1.5 Dependence on multiple reflections
(transfer-related correction factor
and uncertainty of the parent meter
due to multiple reflections)
3.2.1.6 Wavelength dependence (transfer-
related correction factor and
uncertainty of the parent meter due
to wavelength dependence)
3.2.1.7 Dependence on spectral bandwidth
(transfer-related correction factor
and uncertainty of the parent meter
due to dependence on spectral
bandwidth)
3.2.1.8 Other dependencies (transfer-related
correction factor and uncertainty
of the parent meter due to other
dependences)
3.2.1.9 Dependence on state of polarization
3.2.2 Transfer-related uncertainties caused by the
test meter
3.2.2.1 Temperature dependence (transfer-
uncertainty of the test meter due
to temperature dependences)
3.2.2.2 Dependence on beam geometry (transfer
uncertainty of the test meter due to
to beam geometry)
3.2.2.3 Dependence on multiple reflections
(transfer uncertainty of the test
meter due to multiple reflections)
3.2.2.4 Wavelength dependence (transfer
uncertainty of the test meter due
to wavelength dependence)
3.2.2.5 Dependence on spectral bandwidth
(transfer uncertainty of the test
meter due to spectral bandwith
3.2.2.6 Dependence on state of polarization
(transfer uncertainty of the test
meter due to dependence on the
state of polarization)
3.2.2.7 Other dependences (transfer
uncertainties of the test meter due
to other dependences)
3.2.3 Corrections and systematic uncertainties due
to extension
3.2.4 Other corrections and systematic uncertainties
3.2.5 Random uncertainty of comparison
3.2.6 Other random uncertainties
3.3 Documentation
3.3.1 Specifications
3.3.2 Traceability information
SECTION 4: CALIBRATION FOR OPERATING CONDITIONS
4.1 Determining the total uncertainty
4.2 Determining the operational uncertainty
4.2.1 Operational dependences and uncertainties
4.2.1.1 Ageing
4.2.1.2 Temperature dependence
4.2.1.3 Nonlinearity
4.2.1.4 Dependence on the type of fibre or
on the beam geometry
4.2.1.5 Dependence on the connector-adaptor
combination
4.2.1.6 Wavelength dependence
4.2.1.7 Dependence on the spectral bandwidth
4.2.1.8 Other dependences
4.3 Specifications
Figures
1 Systematic uncertainty, deviation and correction factor
and how to replace the latter by an appropriately
larger uncertainty
2 Measurement setup for sequential, fibre-based calibration
3 Example of a calibration chain and of the accumulation
of uncertainties
4 Calculation of the test meter uncertainty at
reference conditions
5 Change of condition and tolerance band as cause of
transfer-related deviation and uncertainty of the
parent meter
6 Determining and recording an operational uncertainty
7 Possible subdivision of the optical reference plane into
10 x 10 squares, for the measurement of the spatial
response
8 Forms that guide through the calibration at reference
conditions of section 3
9 Forms that guide through the calibration for operating
conditions of section 4
Annexes
A Forms and worksheets
B Bibliographic references
ZA (normative) Normative references to international
publications with their corresponding European
publications