Bespoke IR Opto Switch Manufacturer

Here is a list of questions, that we will need answers for to know to develop your specific custom switch: Transmissive or reflective? Distance fron sensor to emitter or distance to reflective surface? What is the reflective surface or the medium in a transmissive switch ? What drive current is available? Type of sensor? Transistor or schmitt? Speed of operation? Operating envioment? Mechanical requirments-does ot have to fit into an preset area? Quantity? Price target?