SpectralLED® RS-7 USER MANUAL
Page 23
Center
, which represents the wavelength exactly midway between the two half-power points (i.e. the midpoint
of the two wavelengths that define FWHM):
(ASCII Command API reference
PTY
Section 4.2.3)
2e.
Include White Channels in Spectral Fit
When performing a least-squares spectral fit of multiple RS-7 channels to a target spectrum (see section
3
), the
RS-7 can be instructed to include
broadband white channels
as part of the solution. This may result in better
spectral matches for some broadband targets, although it may also limit the maximum power level that the
spectrum is capable of generating.
(ASCII Command API reference
FTS/FTSW
Section 4.4.5)
2f.
Radiant Source
Irradiant Source At Working Distance
For an RS-7 with an internal integrating sphere, the unit itself is calibrated as a
Radiant
source in units of
Radiance (µW/cm²/sr) and Luminance (cd/m², also called
nits
, or optionally in
footLamberts
; see
2c
). However,
the RS-7 can also be operated as an
Irradiant
source, to illuminate a downrange target, in units of Irradiance