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- MICRO-CONTROLE / Spectra-Physics
- Off-Axis Replicated Parabolic Mirrors
Off-Axis Replicated Parabolic Mirrors
Off-Axis Replicated Parabolic Mirrors
- Designed for low scatter in UV applications.
- Features integral mount for stability.
- Provides achromatic focusing and collimation.
- Light-weight design with UV-IR and NIR-IR coating options.
- Material: Aluminum
- Active Area: ≥90% of diameter
- Focus Base Distance: 0.800 inches
- Surface Quality: E/E (60/40) per MIL-F-48616
- Surface Roughness: 25 Å (typical)
- Wavefront Distortion: ≤2λ @ 633 nm (typical)
- Coating Adhesion and Humidity Resistance: MIL-F-48616
- Operating Temperature Range: -80°F to 160°F
- Reflectance: ≥85% average
| Model | Effective Focal Length (in.) | Focal Length (in.) | Height (in.) | Coating | Coating Hardness |
|---|---|---|---|---|---|
| 50328AL | 0.800 | 0.400 | 1.600 | Protected Aluminum | MIL-F-48616 modified to 0.5lb |
| 50328AU | 0.800 | 0.400 | 1.600 | Bare Gold | N/A |
| 50329AL | 2.000 | 1.000 | 1.691 | Protected Aluminum | MIL-F-48616 modified to 0.5lb |
| 50329AU | 2.000 | 1.000 | 1.691 | Bare Gold | N/A |
| 50338AL | 4.000 | 2.000 | 1.620 | Protected Aluminum | MIL-F-48616 modified to 0.5lb |
| 50338AU | 4.000 | 2.000 | 1.620 | Bare Gold | N/A |
| 50331AL | 6.000 | 3.000 | 1.597 | Protected Aluminum | MIL-F-48616 modified to 0.5lb |
| 50331AU | 6.000 | 3.000 | 1.597 | Bare Gold | N/A |
| 50332AL | 8.000 | 4.000 | 1.585 | Protected Aluminum | MIL-F-48616 modified to 0.5lb |
| 50332AU | 8.000 | 4.000 | 1.585 | Bare Gold | N/A |
Catalog excerpts
O p t i c s 533 Email: [email protected] • Web: newport.com TECHNICAL REFERENCE AND FUNDAMENTAL APPLICATIONS LENS SELECTION GUIDE SPHERICAL LENSES CYLINDRICAL AND SPECIALTY LENSES OPTICS SETS OPTICAL SYSTEMS MIRRORS PRISMS Off-Axis Replicated Parabolic Mirrors • Low scatter for UV applications • Integral mount • Achromatic focusing and collimation • Light-weight • UV-IR and NIR-IR coating options Al(MgF ) ALUMINUM MAGNESIUM FLUORIDE 2 0.2 0.4 0.6 1.0 2.0 4.0 6.0 10.0 0.2 0 0.4 0.6 0.8 1.0 REFLECTANCE WAVELENGTH (ìm) Au GOLD Typical reflectance curves of metallic reflective coatings. Our standard off-axis parabolic mirrors are circular segments from one side of a full paraboloid. The focal point is displaced from the mechanical axis, giving full access to the reflector focus area. There will be no shadowing when placing either a detector or source at the focus. The mirrors are achromatic and are offered in a wide range of working distances. Two coating options are available; protected Aluminum for UV and visible applications and bare Gold for infrared applications. The models listed are catalog versions of common OEM mirror designs. Specifications Material Aluminum Active Area 90% of diameter Focus Base Distance 0.800 in. Surface Quality E/E (60/40) per MIL-F-48616 Surface Roughness 25 Å (typical) Wavefront Distortion 2ë @ 633 nm (typical) Coating Adhesion MIL-F-48616 Humidity Resistance MIL-F-48616 Operating Temperature Range -80°F to 160°F Reflectance 85% average Ordering Information Model Effective Focal Length (in.) Focal Length (in.) Height (in.) Coating Coating Hardness 50328AL 0.800 0.400 1.600 Protected Aluminum MIL-F-48616 modified to 0.5lb 50328AU 0.800 0.400 1.600 Bare Gold N/A 50329AL 2.000 1.000 1.691 Protected Aluminum MIL-F-48616 modified to 0.5lb 50329AU 2.000 1.000 1.691 Bare Gold N/A 50338AL 4.000 2.000 1.620 Protected Aluminum MIL-F-48616 modified to 0.5lb 50338AU 4.000 2.000 1.620 Bare Gold N/A 50331AL 6.000 3.000 1.597 Protected Aluminum MIL-F-48616 modified to 0.5lb 50331AU 6.000 3.000 1.597 Bare Gold N/A 50332AL 8.000 4.000 1.585 Protected Aluminum MIL-F-48616 modified to 0.5lb 50332AU 8.000 4.000 1.585 Bare Gold N/A 1.5 DIA. (38.1) V EFFECTIVE FOCAL LENGTH FOCUS VERTEX H F2 0.8 FOCUS BASE DISTANCE (20.3) F1 Dimensional Diagram +.0002 -.0 Ø.1254 x .25 Ø.1.500 .625 ± .0003 4-40 UNC-2B x .25 MIN 3 EQ SP ON Ø.875 B.C. Ø.0942 x .25 +.0002 -.0 Mounting Configuration
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