# Optical parametric oscillator (technology) internal name `parametric-oscilator` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/parametric-oscilator/ ## Cost 2500 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each. ## Requires (1) - [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md) ## Leads to (4) - [Bioprinting upgrade](https://factorio.kalzumeus.com/tech/bioprinting-upgrade.md) - [Intermetallics - Stage 4](https://factorio.kalzumeus.com/tech/intermetallics-mk04.md) - [Kicalk - Stage 4](https://factorio.kalzumeus.com/tech/kicalk-mk04.md) - [Photonics](https://factorio.kalzumeus.com/tech/photonics.md) ## Unlocks (3 recipes) ### Laser module (`laser-module-alt`) - 20 s · tier 7 - Ingredients: 5 × [Optical set](https://factorio.kalzumeus.com/item/lens.md), 5 × [Battery](https://factorio.kalzumeus.com/item/battery-mk01.md), 5 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 12 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md) - Results: 1 × [Laser module](https://factorio.kalzumeus.com/item/laser-module.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04 - Unlocked by: [Optical parametric oscillator](https://factorio.kalzumeus.com/tech/parametric-oscilator.md) ### Optical parametric oscillator (`parametric-oscilator`) - 20 s · tier 7 · productivity modules allowed - Ingredients: 1 × [YAG laser module](https://factorio.kalzumeus.com/item/yag-laser-module.md), 1 × [Control unit](https://factorio.kalzumeus.com/item/control-unit.md), 1 × [Paramagnetic material](https://factorio.kalzumeus.com/item/paramagnetic-material.md), 4 × [Lithium niobate](https://factorio.kalzumeus.com/item/lithium-niobate.md), 15 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 3 × [Optical set](https://factorio.kalzumeus.com/item/lens.md), 1 × [Printed circuit substrate (tier 4)](https://factorio.kalzumeus.com/item/pcb4.md), 3 × [Nanofibrils](https://factorio.kalzumeus.com/item/nanofibrils.md), 1 × [MILFe](https://factorio.kalzumeus.com/item/milfe.md) - Results: 1 × [Optical parametric oscillator](https://factorio.kalzumeus.com/item/parametric-oscilator.md) - Made in: Research center MK 01, Research center MK 02, Research center MK 03, Research center MK 04 - Unlocked by: [Optical parametric oscillator](https://factorio.kalzumeus.com/tech/parametric-oscilator.md) ### YAG laser module (`yag-laser-module`) - 10 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Laser module](https://factorio.kalzumeus.com/item/laser-module.md), 10 × [Rare earth oxides](https://factorio.kalzumeus.com/item/reo.md), 3 × [Neodymium magnet](https://factorio.kalzumeus.com/item/re-magnet.md), 10 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 3 × [Nanofibrils](https://factorio.kalzumeus.com/item/nanofibrils.md), 3 × [Cobalt fluoride](https://factorio.kalzumeus.com/item/cobalt-fluoride.md), 1 × [Erbium](https://factorio.kalzumeus.com/item/erbium.md) - Results: 1 × [YAG laser module](https://factorio.kalzumeus.com/item/yag-laser-module.md) - Made in: Nanomaterial factory MK 01, Nanomaterial factory MK 02, Nanomaterial factory MK 03, Nanomaterial factory MK 04 - Unlocked by: [Optical parametric oscillator](https://factorio.kalzumeus.com/tech/parametric-oscilator.md)