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schedule with a LI-COR model 1800-02 Optical Radiation Calibrator using a 200 W quartz halogen lamp.

The 1800-02 and quartz halogen lamp are traceable to the National Institute of Standards and

Technology (NIST).

Spectral Response:

Temperature response:

Mean spectral response of six SQ series

error bars represent two

quantum sensors (

standard deviations above and below

mean

) compared to PPF weighting function.

Spectral response measurements were

made at 10 nm increments across a

wavelength range of 300 to 800 nm in a

monochromator with an attached electric

light source. Measured spectral data from

each quantum sensor were normalized by

the measured spectral response of the

monochromator/electric light combination,

which was measured with a

spectroradiometer.

Mean temperature response of eight SQ

series quantum sensors (

represent two standard deviations

above and below mean

response measurements were made at 10

C intervals across a temperature range of

approximately -10 to 40 C in a

temperature controlled chamber under a

fixed, broad spectrum, electric lamp. At

each temperature set point, a

spectroradiometer was used to measure

light intensity from the lamp and all

quantum sensors were compared to the

spectroradiometer. The

spectroradiometer was mounted external

to the temperature control chamber and

remained at room temperature during

the experiment.

errors bars

). Temperature