• Pixel-art Specklorn, the Pointer-Speckle Phantom, on a black mug with the slogan "COHERENT LIGHT. INCOHERENT TALK."

IndexCatalogueMug

Specklorn, the Pointer-Speckle Phantom Mug

$21.99 USD
$21.99 USD
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Fully developed laser speckle has contrast C = σI/⟨I⟩ = 1.

The joke: Speckle is the grainy glitter of the laser pointer dot; coherence makes it. The slogan on the mug reads COHERENT LIGHT. INCOHERENT TALK.

Source: J. W. Goodman, Speckle Phenomena in Optics (Roberts, 2007).

Shipping calculated at checkout by destinationMade to order, ships in ~10 days

Details

Size & material11oz · 15oz

Black glossy ceramic mug with a C-handle. Lead- and BPA-free.

  • 11oz: 0.33 l
  • 15oz: 0.44 l
CareDishwasher & microwave safe

Dishwasher safe (top rack) or hand wash. Microwave safe.

ShippingBy destination

Shipping calculated at checkout by destination.

Made to order: about 10 days of production and handling before it ships.

Delivery times & where we ship

Returns & replacements21 days

Every item is printed to order, so we can’t accept returns or exchanges for change of mind, or if you ordered the wrong size or colour.

Print defect, misprint, damage or the wrong item? We’ll send a free replacement, or a refund if you prefer. Report it within 21 days of delivery with a photo; no need to send it back.

Full refund & replacement policy

Field notes

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