Sample Calculation for each DMD in a system with a measured illumination power density:
- TCeramic = 20°C (measured)
- ILLDENSITY = 11 Watts per cm2 (optical power on DMD per unit area) (measured)
- Overfill = 16.3% (optical design)
- QELECTRICAL = 2.0 Watts
- RARRAY-TO-CERAMIC = 0.9 °C/W
- Area of array = ( 1.4008 cm x 1.0506 cm ) = 1.4717 cm2
- ILLAREA = 1.4717 cm2 / (83.7%) = 1.7583 cm2
- QINCIDENT =11 W/cm2 x 1.7583 cm2 = 19.34 W
- QARRAY = 2.0 W + (0.42 x 19.34 W) = 10.12 W
- TARRAY = 20°C + (10.12 W x 0.9 °C) = 29.11 °C