3 ms·
A bare lightbulb is almost an anisotropic point source. You can put a reflector around it to target the IR in some direction. Its energy efficiency at the bulb
by robotresearcher 5y ago
A bare lightbulb is almost an anisotropic point source. You can put a reflector around it to target the IR in some direction. Its energy efficiency at the bulb is the same, i.e. nearly perfect. The energy delivered to target is different.