Light is modulated by matter, as was seen in Chapters 2 and 3. But displays and other optical instruments require a controlled way of modulating light temporally and spatially. Optical components supporting this are referred to as spatial light modulators (SLM). They will be discussed in this chapter.
A large variety of SLMs exist that are based on the transmission (Section 7.2), the reflection (Section 7.3 at page 247), a combination thereof called transflection (Section 7.4 at page 262), or the emission (Section 7.6 at page 264) of light.
In general, SLMs modify the intensity and possibly the color of light at different spatial positions. Classic examples are LCDs that filter light by polarizing ...
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