Birefringent Material "Quartz Crystal"
|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)
*Please inquire for special specifications.
Spectral Characteristics Example
IR-cut Coating (Single Plate-Type)
Color-Compensating Filter (Bonding-Type)
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