High Quality Quarter Crystal Crystal Low Order Waveplate Quartz Glass

We can provide virtually any size, shape and quality required by the customer. The range covers more than 60 types in the visible wavelength range from 200 nm upwards:

• Band pass filters: Allow required ranges to pass through selectively
• Long pass filters: Block unwanted shorter wave ranges
• Short pass filters: Block unwanted longer wave ranges
• Neutral density filters: Constant transparency in the visible range
• Conversion filters: Increase or reduce color temperature

• Basic glass
• Ionically coloured glass
• Colloidally coloured glass

• Polished filter: Plates or round discs with processed edges. Available thermally strengthened or with AR coating.
• Filter glass prepared: Processed or non-processed edges with matt surfaces.
• Standard formats: Plate sizes 165 x 165 mm, thicknesses 3.5mm - 4.5mm.

Dimensions: 1 mm - 480 mm
Minimum thickness: 0.1 mm
Tolerances: Up to 0.001 mm
Surface quality: Up to P 4 (DIN IS0 100110)

Optical glass filters are significant components in industrial measurement, control technology, environment protection, and medicine.

• UG: Black and blue glass for UV light transmission
• BG: Blue, blue-green and bandglass
• VG: Green glass
• GG/OG/RG: Yellow, Orange, and Red glass for IR transmission
• NG: Neutral glass for radiation weakening
• KG: Heat absorption glass (IR absorption)