This is a video of pinpoint infrared heating on paper using a halogen glass rod heater.
Please check the following site for more information.
Related page:
Pinpoint heating of solder 
Pinpoint heating of polypropylene pellets 
Proven by heating paper : Emissivity difference by color 
Pinpoint heating of 0.5mm mechanical pencil lead 
No.1 Pinpoint heating of resin 
Copy paper heating with halogen line heater 
Make a hole in plastic bottle caps using infrared rays 
Make a hole in plastic bottle using infrared rays