The light guide challenge

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The light guide challenge
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The solution cast a transparent shell to fill
the gap

• Option1
• Methyl methacrylate
• Remove inhibitor with alumina
• Filter
• Add 0.1 catalyst mix
• Pour
• Warm to 50C
• Bag in dry N2
• Leave for 7days
• Repeat 10000 times
• Book 2 months leave

• Option 2
• BC600 optical cement
• Mix the 2 components 102.8
• Pour
• Leave overnight
• Repeat 10000 times
• Book a weeks leave

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Testing

• Methyl methacrylate remained as gel (partial
  cure) after 5 days.
• BC600 optical cement fully cured after 16 hours
  some small bubbles