Various Wafers / Windows with Coatings
Applications
Various Wafers / Windows with Coatings
Features
Lineup of Optical Wafers That We Can Provide
Materials | Low α Ray Radiation | Refractive Index nd |
Abbe Number vd |
Specific Gravity [g/cm3] |
Coefficient of Thermal Expansion [x10-6/℃] 300℃ |
Transition Point [℃] |
Knoop Hardness | Max. Size [mm] |
---|---|---|---|---|---|---|---|---|
Cryatal Quartz | 〇 | ※1 | ND | 2.65 | - | 573 | ND | ※1 |
Cryatal Quartz(X-Cut) | 〇 | 1.549 | ND | 9.6 | 100×100 | |||
Cryatal Quartz(Z-Cut) | 〇 | 1.544 | ND | 16.89 | 6inch | |||
Lithium Niobate | 2.275 | ND | 4.64 | - | 1140 | ND | 3inch | |
Sapphire | 1.768 | 72.2 | 3.97 | 5.3 | 2000 | 2200 | 75x75 | |
Synthetic Quartz | 1.459 | 67.8 | 2.20 | - | ND | ND | 75x75 | |
N-BK7 | 1.517 | 64.2 | 2.46 | 7.1 | 557 | 610 | 75x75 | |
B270 | 1.523 | 58.5 | 2.55 | 8.2 | 533 | 542 | 75x75 | |
D263T eco | 1.523 | 55 | 2.51 | 7.2 | 557 | 590 | 75x75 | |
D263LA eco | 〇 | 1.523 | ND | 2.51 | - | 557 | ND | 75x75 |
*1 Depends on the cutting angle
Optical wafer transmittance (without coating) comparison
Optical wafer surface reflectance comparison
Various AR Coatings
We can propose and provide AR coatings according to the wavelength of use and your desired optical properties.
Various AR Coatings
Specifications Example
Crystal Window
External Dimensions | Max. 76.2mm×76.2mm | ||||
---|---|---|---|---|---|
External Dimensions Tolerance | ±0.5mm | ||||
Substrate Materials | Quartz Single Crystal Z Plate | ||||
Thickness Dimenson | 1mm±0.1mm | ||||
Coating | a-Face/b-Face With AR Coating Both Side | ||||
Transmittance | T≧ | 98.0% | @400~700nm | ||
Surface Reflectance | R≦ | 1.0% | @400~700nm |
*Please inquire for special specifications.
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 10 mm, 100 round-trips |
Optical Component