VIMFUN / KNOWLEDGE CENTER
Optical Manufacturing Knowledge Center
Practical guides to optical cutting, grinding, polishing and inspection—from material selection to process troubleshooting.
- Case Studies
Case file ZS-2503 Customer: ZnSe optics producer (name withheld) Task: blocks & rods to wafers Machines: SG 20 · SG 40 · SGI 20 · SGR 20 ZnSe
- Daria
- Case Studies
Case file GE-2502 Customer: germanium wafer producer (name withheld) Task: rod-to-wafer slicing Machine: SG 20 Germanium puck slicing on the SG 20: 42% more throughput, half the operator
- Daria
- Case Studies
Irregular Germanium Lens Cutting: 2 Tests to 4 Orders Case file GE-2401 Customer: Sunny Optical Material: single-crystal germanium Machine: SGI 20 Irregular germanium lens cutting at Sunny Optical:
- Daria
- Process Technology
Germanium hit $8,500 per kilogram in mid-2026. That’s more than double the price two years ago. At that rate, every tenth of a millimeter of germanium lens kerf
- levy
- Process Technology
After cutting and centering, a germanium blank is flat — a disc with parallel surfaces, correct diameter, and clean edges. But a flat disc is not a lens.
- levy
- Process Technology
Ra 5 nm is not an exotic number for germanium. It is a class of finish that established polishing chemistry reaches routinely — and that a badly controlled
- levy
- NEWS & INSIGHTS
Ever wondered how manufactures carve beautiful rings out of hard metals or ceramics? I have been in the best CNC ring cutting machine industry for over 8 years.
- FriendStudio
- NEWS & INSIGHTS
Can you grind a material that breaks at the wrong pressure – and is worth more than gold? I have been working on infrared optics for more than
- FriendStudio
- NEWS & INSIGHTS
How to cut expensive, delicate germanium without shattering it? I have worked in the production of infrared optics and the manufacture of optical lens blanks for more than
- FriendStudio
- NEWS & INSIGHTS
Can your cutter cut coated optical glass safely? I have more than 12 years expertise in optical filter cutting machines and precision optical machining. I’ve seen how the
- FriendStudio
- Material Solution
ZnSe focus lens manufacturing is the production of curved zinc selenide optics that converge a CO₂ laser beam to a precise focal point — typically inside a laser
- levy
- NEWS & INSIGHTS
What causes a sudden breakdown of a germanium wafer slicing machine? I have over 6 years experience in semiconductor wafer manufacturing. “I’ve seen manufacturers lose a lot of
- FriendStudio
Explore equipment by process
Move from a process question to the equipment options for your part.
Need help with your optical process?
Share your material, drawing and required output with our team.
Send a drawing