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EKSMA Nd:YAG偏振元件
Nd:YAG偏振面旋转器

与波片相比,旋转器具有独立于围绕其自身光轴的旋转的固有优点。偏振面旋转器通常用于特定波长。
与波片相比,旋转器具有独立于围绕其自身光轴的旋转的固有优点。它不需要调整,只需安装在入射辐射的法线上。偏振面旋转器通常用于特定波长。它仅稍微依赖于环境温度。
产品
| CODE | CENTER WAVELENGTH | ROTATION ANGLE OF POLARIZATION PLANE |
| 470-4264 | 266 nm | 45° |
| 470-4269 | 266 nm | 90° |
| 470-4354 | 355 nm | 45° |
| 470-4359 | 355 nm | 90° |
| 470-4534 | 532 nm | 45° |
| 470-4539 | 532 nm | 90° |
| 470-4644 | 1064 nm | 45° |
| 470-4649 | 1064 nm | 90° |
规格
| 材料 | 单晶石英 |
| 光轴 | 垂直于旋转体的面S1、S2 |
| 通光孔径 | 17 mm for 20 mm diameter |
| 环形安装外径,D | 25.4 mm + 0.0/-0.2 mm |
| 安装厚度 | T = 6-20 mm, (depends on wavelength and rotation angle) |
| 通光孔径 | 85% of the diameter |
| 表面质量 | 20-10 scratch & dig |
| 波前畸变 | λ/10 |
| 并行性 | < 10 arcsec |
| AR涂层 | R < 0.2% both sides |
| 激光损伤阈值 | 5J/cm2, 10?nsec, 1064 nm typical |
EKSMA Nd:YAG偏振元件
Nd:YAG薄膜激光偏振器(圆形)






薄膜激光偏振器(圆形)可用作Nd:YAG激光基波及其谐波的腔外衰减器或腔内Q开关保持偏振器。
薄膜偏振器用于高能激光器。它们可用作Nd:YAG激光器基波及其谐波的腔外衰减器或腔内Q开关保持偏振器。使用薄膜偏振器的有效方式是在布儒斯特角–56°±2°时,损耗最小。典型的极化比TP/Ts为200:1。我们根据客户要求提供TP>99%的薄膜激光偏振器。
产品
Thin Film Polarizers with High Extinction Ratio, UV FS,?Tp>98%, Ts<0.1%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1252HE | UV FS | 25,4 mm | 3.0 mm | 355 nm |
| 420-1254HE | UV FS | 25,4 mm | 3.0 mm | 532 nm |
| 420-1258HE | UV FS | 25,4 mm | 3.0 mm | 1064 nm |
Ultra High?Transmission Thin Film Laser Polarizers, UV FS, Ts<0.2%, Rp<0.2%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1254UHT | UV FS | 25,4 mm | 3 mm | 532 nm |
| 420-1258UHT | UV FS | 25,4 mm | 3 mm | 1064 nm |
High Transmission Thin Film Laser Polarizers, UV FS, Rs/Tp>99.5/99.0%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1252HT | UV FS | 25,4 mm | 3.0 mm | 355 nm |
| 420-1254HT | UV FS | 25,4 mm | 3.0 mm | 532 nm |
| 420-1258HT | UV FS | 25,4 mm | 3.0 mm | 1064 nm |
Standard Thin Film Laser Polarizers, UV FS, 355 nm, Rs/Tp>99.5/95.0%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1122E | UV FS | 12,7 mm | 3.0 mm | 355 nm |
| 420-1252E | UV FS | 25,4 mm | 3.0 mm | 355 nm |
| 420-1502E | UV FS | 50,8 mm | 6.0 mm | 355 nm |
Standard Thin Film Polarizers, BK7, UV FS, 532 nm, Rs/Tp>99.5/95.0%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1124E | UV FS | 12,7 mm | 3.0 mm | 532 nm |
| 420-1254E | UV FS | 25,4 mm | 3.0 mm | 532 nm |
| 420-1504E | UV FS | 50,8 mm | 6.0 mm | 532 nm |
Standard Thin Film Polarizers, BK7, UVFS, 1064 nm, Rs/Tp>99.5/95.0%
| CODE | MATERIAL | DIAMETER | THICKNESS T | WAVELENGTH |
| 420-1128E | UV FS | 12,7 mm | 3.0 mm | 1064 nm |
| 420-1258E | UV FS | 25,4 mm | 3.0 mm | 1064 nm |
| 420-1508E | UV FS | 50,8 mm | 6.0 mm | 1064 nm |
规格
| 材料 | BK7, UVFS |
| 表面质量 | 20-10?scratch&dig |
| 透射波前畸变 | λ/10@633 nm |
| 平行性 | <30arcsec |
| 通光孔径 | >90% |
| 入射角 | 56° ±2° |
| 直径公差 | +0.0-0.12 mm |
| 厚度公差 | ±0.2 mm |
| 激光损伤阈值 | 10 J/cm2, 10?nsec?pulse at 1064 nm typical |
Nd:YAG薄膜激光偏振器(矩形)

薄膜激光偏振器(矩形)提供激光辐射的严格线性偏振的实现,并利用从平面反射时发生的偏振。
薄膜偏振器用于高能激光器。它们可用作Nd:YAG激光器基波及其谐波的腔外衰减器或腔内Q开关保持偏振器。使用薄膜偏振器的有效方式是在布儒斯特角–56°±2°时,损耗最小。典型的极化比TP/Ts为200:1。我们根据客户要求提供TP>99%的薄膜激光偏振器。
产品
Thin Film Polarizers with High Extinction Ratio, UV FS,?Tp>98%, Ts<0.1%
| CODE | MATERIAL | DIMENSIONS (LENGTHXWIDTH) | THICKNESS T | WAVELENGTH |
| 420-1484HE | UV FS | 20x15 mm | 6.0 mm | 532 nm |
| 420-1584HE | UV FS | 30x20 mm | 6.0 mm | 532 nm |
| 420-1488HE | UV FS | 20x15 mm | 6.0 mm | 1064 nm |
| 420-1588HE | UV FS | 30x20 mm | 6.0 mm | 1064 nm |
High Transmission Thin Film Laser Polarizers, UV FS, Rs/Tp>99.5/99.0%
| CODE | MATERIAL | DIMENSIONS (LENGTHXWIDTH) | THICKNESS T | WAVELENGTH |
| 420-1288HT | UV FS | 28,6x14,3 mm | 3.0 mm | 1064 nm |
Standard Transmission Thin Film Polarizers, BK7, Rs/Tp>99.5/95.0%
Standard Transmission Thin Film Laser Polarizers, UVFS, Rs/Tp>99.5/95.0%
| CODE | MATERIAL | DIMENSIONS (LENGTHXWIDTH) | THICKNESS T | WAVELENGTH |
| 420-1282 | UV FS | 28,6x14,3 mm | 3.0 mm | 355 nm |
| 420-1284 | UV FS | 28,6x14,3 mm | 3.0 mm | 532 nm |
| 420-1288 | UV FS | 28,6x14,3 mm | 3.0 mm | 1064 nm |
规格
| 材料 | BK7, UVFS |
| 表面质量 | 20-10?scratch&dig |
| 透射波前畸变 | λ/10@633 nm |
| 平行性 | <30arcsec |
| 通光孔径 | >90% |
| 入射角 | 56° ±2° |
| 直径公差 | +0.0-0.12 mm |
| 厚度公差 | ±0.2 mm |
| 激光损伤阈值 | 6 J/cm2, 10?nsec?pulse at 1064 nm typical |