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Table 1 Matrix M of relative LED SPDs in the spectral range from 632 nm to 1548 nm with an increment of 4 nm. LEDs: L680, L690, …, L1550

From: LED-based Vis-NIR spectrally tunable light source - the optimization algorithm

Wavelength (nm)

LED

L680

L690

L700

L1450

L1550

632

0.006757

0

0

0

0

636

0.013514

0

0

0

0

640

0.027027

0

0

0

0

644

0.041892

0.006757

0

0

0

648

0.067568

0.013514

0.006757

0

0

652

0.108108

0.027027

0.02027

0

0

656

0.151351

0.041892

0.02973

0

0

660

0.22973

0.067568

0.040541

0

0

664

0.337838

0.108108

0.060811

0

0

668

0.486486

0.151351

0.090541

0

0

672

0.689189

0.22973

0.135135

0

0

676

0.891892

0.337838

0.189189

0

0

680

1

0.486486

0.27027

0

0

684

0.891892

0.689189

0.364865

0

0

688

0.689189

0.891892

0.5

0

0

692

0.445946

1

0.702703

0

0

696

0.27027

0.891892

0.905405

0

0

700

0.175676

0.689189

1

0

0

1544

0

0

0

0.040541

0.986486

1548

0

0

0

0.033784

1