FRONT SURFACE MIRROR This first surface mirror will reflect 90% of visible light. New, individually packaged.
Item #:A3  $2.95 Size: 21mm square. Thickness: 1mm
Item#:A9   $12.75 Size: 6 3/8” x 6 1/2” Thickness: 1/8” With blue peel-off coating.

DIVERGING LENS This plano-concave lens is mounted in a 1" square aluminum mount. Used to 'spread out' a laser beam. It could be used as the first lens of a collimator or to view holograms.
Item #: A5$4.50

ACRYLIC DIVERGING LENS Similiar to the diverging lens above, minus housing.
Item #:A7 $1.75

LINE GENERATING OPTIC  This acrylic optic will produce a line of light from your laser. Also good for "sheet of light" lighting effects.
Item #:A6  $9.00

LINEAR DIFFRACTION GRATING Either a clear sheet of acetate, or a small square piece of glass, these grattings produces several orders of light from a single beam.  Use two (or cut one in half) and shine a laser through both of them while rotating them. You will see a marvelous display of dots seeming to move in 3-D. Or use them alone to create a fan of beams!
Item #:DIFF4 (Produces four bright orders, 7 spots) 4” sqr. acetate film $17.00
Item #:DIFF5 (HOE that produces more orders and wider angle) 1/4” glass $49.00
Item #:DIFF6 Machida Grating (Over 50 orders, 175° angle) 1/4” glass $395.00

BURST DIFFRACTION GRATING  This diffraction grating produces a two-dimensional array of dots when a laser shines through it. Use two of these (or one of these and one of the above diffraction gratings) to produce stunning 3-D effects by shining a laser through both of them while rotating them.
Item #: DIFF2 (1 inch sqr.) $5.00
Item #: DIFF3  (4” x 4”)  $15.00

POLARIZING FILM   Use to pass only linearly polarized light, or create polarized light from a randomly polarized source.  Polarizing efficiency: 99.98%, Wavelength: 400-700nm, Thickness: 0.18mm, Size: 4 inch by 6 inch nominal.
Item #:POLF2 $9.75

DICHROIC FILTERS - RGB Color Wheel.  Transmits one color and reflects the rest.  Can be used for seperating the lines of a multi-line laser such as Argon. The glass filters can be removed by drilling out the four rivets that hold the wheel together. Size: 4 1/4” diameter.
Item #:CWHL $18.95

NEUTRAL DENSITY FILTERS An assortment of four neutral density filters of varying low densities. Size: 13/16" x 7/16"
Item #:NDF $5.00

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