LM317T Voltage Regulator with Pass Transistor

This is a 1.1w 445nm(Blue) burning laser. it is housed in an altoids box and thermal paste connects the diode to the box for cooling. the circuit is a lm317t and a 1-Ohm resistor along with a 47uF 35V capacitor. a 9v battery was used, even though the rating for a typical 9v is around 0.55Ah ( which means it wont power it for more than 28 minutes) and the lithium version can power it for at most 58 minutes with a rating of 1.2Ah



http://www.youtube.com/watch?v=W-YidkTB37c&hl=en