Optical Component
Optical Low-pass Filter

Applications

  • Digital Camera
  • Digital Camera for Broadcast / Cinema
  • Industrial Camera
  • Surveillance Camera, etc.
Applications

Features

  • Our birefringent materials are made with synthetic quartz crystals grown in-house, so they offer exceptionally high quality.
  • We offer custom designs that are optimized for image sensors.
  • We offer a wide range of coatings such as UV/IR-cut, antireflection film, conductive film, and water repellent film upon request.
  • Filter glass bonding is also available upon request.

Standard Specifications

External Dimensions Max. 60mm×70mm
Thickness Dimension Min. 0.05mm
Light Axis Accuracy ±60'
Flatness Max.10 Newton Rings (λ=632.8nm)

Maximum Dimensions That Can be Manufactured
We can supply large-sized crystal quartz wafers (up to 60 mm x 70 mm)!

Birefringence Plate: 0°, 90° (Angle Formed by Optical Axis and Long Side)
Wave Plate (Retardation Plate): 0°, 90° (Angle Formed by Optical Axis and Long Side)

Maximum Dimensions That Can be Manufactured We can supply large-sized crystal quartz wafers (up to 60 mm x 70 mm)!

Contact Us

*Please inquire for special specifications.

Spectral Characteristics Example

IR-cut Coating (Single Plate-Type)

IR-cut Coating (Single Plate-Type)

Color-Compensating Filter (Bonding-Type)

Color-Compensating Filter (Bonding-Type)

Warranty Items

Test items include temperature, humidity, impact resistance, heat resistance, etc. for the environmental and mechanical properties of optical components.
We set test items and conditions for each component and guarantee the properties of the component. However, warranty items and conditions vary depending on the shape, properties, application, and environment of the optical component.

Subjected to High Temperature 85℃ 1000H
Subjected to Low Temperature -40℃ 1000H
Subjected to High Temperature and High Humidity 60℃90%RH~95%RH 1000H
Heat Shock -40℃ 2H 、85℃ 2H、100℃/H 10 Cycles
Subjected to Thermal Shock -40℃/85℃ 30 Minutes Each 100 Cycles
Coating Adhesion Strength Cellophane tape (LP-18) is applied to the component, rubbed with the fingers three times, and then quickly pulled off in a vertical direction ten times
Abrasion Resistance The vapor-deposited surface is pressed with lens-cleaning paper (DUSPER K-3) with a pressing pressure of 4.9 N/cm2 (500 gf/cm2)
1 round-trip/second continuous, round-trip distance 10 mm, 100 round-trips
Solvent Resistance Test Using lens-cleaning paper (DUSPEP K-3) in solvents such as IPA, acetone, ethanol, etc. with 2.94 N (300 gf)
1 round-trip/second continuous, round-trip distance 100 mm, 100 round-trips
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