AR Coated Window for High Power Laser / WSQNAHP
These optical windows have high-quality and may be used when light is passed through the opposite side of the partition or in the vacuum chamber. Since the windows have anti-reflection coatings the transmittance is increased so they can be used as a window for laser irradiation windows and the observation of the sample.
Due to a high laser durability coating applied on low-scattering substrates, these can be used with high-energy pulse lasers.We provide windows for YAG laser fundamental (1064nm), second harmonic (532nm), third harmonic (355nm), and fourth harmonic (266nm).
Common Specifications
| Material | Synthetic fused silica |  |
|---|---|---|
| Surface Flatness of Ssubstrate | λ/10 | |
| Coating | Multi-layer anti-reflection coating | |
| Transmittance | ＞99％ | |
| Incident angle | 0° | |
| Surface Quality (Scratch-Dig) | 10－5 | |
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing | |
|---|---|---|
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| Part Number |
Wavelength Range | Diameter φD |
Thickness t |
Parallelism Wedge Angle |
Laser Damage Threshold* |
|---|---|---|---|---|---|
| WSQNAHP-25.4C03-10-266 | 266nm | φ25.4mm | 3mm | ＜5″ | 4J/cm2 |
| WSQNAHP-30C03-10-266 | 266nm | φ30mm | 3mm | ＜5″ | 4J/cm2 |
| WSQNAHP-30C05-10W-266 | 266nm | φ30mm | 5mm | 1°±5′ | 4J/cm2 |
| WSQNAHP-50C05-10-266 | 266nm | φ50mm | 5mm | ＜5″ | 4J/cm2 |
| WSQNAHP-50C08-10W-266 | 266nm | φ50mm | 8mm | 1°±5′ | 4J/cm2 |
| WSQNAHP-25.4C03-10-355 | 355nm | φ25.4mm | 3mm | ＜5″ | 4J/cm2 |
| WSQNAHP-30C03-10-355 | 355nm | φ30mm | 3mm | ＜5″ | 4J/cm2 |
| WSQNAHP-30C05-10W-355 | 355nm | φ30mm | 5mm | 1°±5′ | 4J/cm2 |
| WSQNAHP-50C05-10-355 | 355nm | φ50mm | 5mm | ＜5″ | 4J/cm2 |
| WSQNAHP-50C08-10W-355 | 355nm | φ50mm | 8mm | 1°±5′ | 4J/cm2 |
| WSQNAHP-25.4C03-10-532 | 532nm | φ25.4mm | 3mm | ＜5″ | 15J/cm2 |
| WSQNAHP-30C03-10-532 | 532nm | φ30mm | 3mm | ＜5″ | 15J/cm2 |
| WSQNAHP-30C05-10W-532 | 532nm | φ30mm | 5mm | 1°±5′ | 15J/cm2 |
| WSQNAHP-50C05-10-532 | 532nm | φ50mm | 5mm | ＜5″ | 15J/cm2 |
| WSQNAHP-50C08-10W-532 | 532nm | φ50mm | 8mm | 1°±5′ | 15J/cm2 |
| WSQNAHP-25.4C03-10-1064 | 1064nm | φ25.4mm | 3mm | ＜5″ | 20J/cm2 |
| WSQNAHP-30C03-10-1064 | 1064nm | φ30mm | 3mm | ＜5″ | 20J/cm2 |
| WSQNAHP-30C05-10W-1064 | 1064nm | φ30mm | 5mm | 1°±5′ | 20J/cm2 |
| WSQNAHP-50C05-10-1064 | 1064nm | φ50mm | 5mm | ＜5″ | 20J/cm2 |
| WSQNAHP-50C08-10W-1064 | 1064nm | φ50mm | 8mm | 1°±5′ | 20J/cm2 |
* Laser pulse width 10ns, repetition frequency 20Hz
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