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 = 4.4 Watts
- RARRAY-TO-CERAMIC = 0.5 °C/W
- Area of array = ( 2.0736 cm x 1.1664 cm ) = 2.419 cm2
- ILLAREA = 2.419 cm2 / (83.7%) = 2.89 cm2
- QINCIDENT =11 W/cm2 x 2.89 cm2 = 31.79 W
- QARRAY = 4.4 W + (0.42 x 31.79 W) = 17.75 W
- TARRAY = 20°C + (17.75 W x 0.5 °C) = 28.9 °C