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Retrotech: Bonetti
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Retrotech: Bonetti
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Retrotech: spot on wall at just over 6 feet
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Retrotech: just over 6 feet from target
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Retrotech: Arm and Hammer detergent, output 6 feet from cuvette
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Retrotech: Nice tight output
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Retrotech: Detergent laser
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Retrotech: another
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Retrotech: bigger spark gap setting
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Retrotech: small spark gap spacing
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Retrotech: powdered A.H. detergent. Misty but bright
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Retrotech: powdered A.H. detergent. Misty appearance around cuvette
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Retrotech: powdered A.H. detergent. Less misty appearance, but beam not as bright
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Retrotech: powdered A.H. detergent. Misty appearance around cuvette
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Retrotech: commercial fabric dye added to 91 percent isopropyl
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Retrotech: here is what it looks like on the metric side of the ruler
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Retrotech: plano convex lens for collimation with convex side facing laser
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Retrotech: plano convex lens for collimation with flat side facing laser
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Retrotech: raw output from detergent laser has roughly one half inch cross section
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Retrotech: raw output from detergent laser on distant wall
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Retrotech: 'Target' end of range. Coin has not been moved to give better idea of distance due to uneven 'fit' of measuring stick.
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Retrotech: using yard stick to give an approximation of distance from laser cuvette to wall 'target'
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Retrotech: another view with bottled nitrogen supply partially visible in background
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Retrotech: closeup of cylinderical planar convex lens used to fucus pump beam onto detergent
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Retrotech: overhead view of detergen laser beam
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Retrotech: thin uncollimated beam from lasing Arm and Hammer detergent
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Retrotech: spark on surface of penny as seen from overhead
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Retrotech: IMG_2261
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Retrotech: Blue laser
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Retrotech: IMG_2231