[Laser] Cheap reflector

[KD7JYK]

I was just playing with a 3" spot mirror I bought for my truck.  I cut the
case open and discovered that the back side is a nice first surface concave
mirror!!  However...  it is plastic, about 1/16" thick...  Might be good for
some quickie experiments...

Napa auto parts also has much larger convex spot mirrors around seven or
eight inches in diameter that I beleive are glass.  These are about $8,
might be worth looking into with a little luck the back side isn't coated!

Kurt

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Ross Technologies Signals Intelligence Division
Rosetta Proving Grounds