IR Optics
Qioptiq is a leading manufacturer of optics and optical modules for infrared detection, warning and imaging systems in the IR region.
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QSG capability on IR materials
• Spherical and plano surfaces • Aspherical surfaces-Si, Ge, ZnS • Diffractive surfaces |
IR-Materials:
• Optical grade, mono crystalline Silicon • Optical grade Germanium • Gasir, ZnS, ZnSe, CaF2, Sapphire |
Germanium
Spherical and Plano surfaces
Diameter: 10mm to 185mm (and growing)
Form accuracy (irregularity): ~ 0.5 Fringe (@ 50mm diameter)
Surface defects (ISO 10110): better than 5/3 x 0.16 for diameter 50mm
Aspherical surfaces:
By single-point diamond turning
Diameter: 10mm to 150mm
Profile error: between 0.15μm to 0.35μm (up to 50mm diameter)
between 0.3μm to 0.5μm (diameter between 50 to 150mm)
Surface roughness: between 3nm to 8nm RMS
Surface defects (ISO 10110): better than 5/3 x 0.25 for diameter 50mm
Diffractive surface: Capable
Coating:
High efficient coating: in the wavelength range from 3.6μm to 5.0μm and from 7.7μm to 11.5μm.
High durability coating: in the wavelength range between 8.0μm to 12μm.
Silicon
Spherical and Plano surfaces
Diameter: 10mm to 185mm (and growing).
Form accuracy (irregularity): ~ 0.4 Fringe (@ 50mm diameter)
Surface defects (ISO 10110): better than 5/3 x 0.10 for diameter 50mm
Aspherical surfaces:
By ultra precision single-point diamond turning machining.
Diameter: 10mm to 150mm
Profile error: between 0.15μm to 0.3μm (up to 30mm diameter)
between 0.3μm to 0.5μm (diameter between 30 to 50mm)
Surface roughness: between 3nm to 8nm RMS
Surface defects (ISO 10110): better than 5/ 3 x 0.25 for diameter 50mm
Diffractive surface: Capable
Coating:
High efficiency coating: in the wavelength range from 3.2μm to 4.8μm
ZnS and ZnSe
Spherical and plano surfaces
Diameter: 10mm to 60mm (and growing).
Form accuracy (irregularity): ~ 0.5 Fringe
Surface defects (ISO 10110): better than 5/3 x 0.25
Coating:
High efficiency coating: in the wavelength range from 3.2μm to 4.8μm
