The s331v 1 df spiegel is a precision engineered component designed for demanding optical and measurement applications. Its construction emphasizes dimensional stability and surface accuracy, making it suitable for use in high end instrumentation and imaging systems.
Engineers and system integrators choose this configuration when they need a reliable mirror with tight flatness and consistent reflectance across the visible and near infrared spectrum. The following sections detail specifications, performance considerations, and best practices for integration.
| Parameter | Specification | Typical Value | Measurement Method |
|---|---|---|---|
| Part Number | Name | s331v 1 df spiegel | Vendor Data Sheet |
| Coating | Reflectance Range | 98 99.5 % @ 633 nm | Spectrophotometer |
| Substrate | Material | Low Expansion Glass | Material Certificate |
| Surface Figure | Flatness | λ/10 @ 633 nm | Interferometry |
| Dimensions | Diameter × Thickness | 25.4 mm × 2 mm | Caliper & Optical Comparators |
Optical Coating Design and Performance
Reflectance and Narrow Band Performance
The s331v 1 df spiegel is optimized for a narrow spectral band near 633 nm, delivering reflectance above 98 percent. This makes it ideal for alignment aids, cavity mirrors, and reference standards where consistent signal strength is required.
Angular Tolerance and Beam Stability
Performance remains stable across a limited angular window, ensuring that reflected beam quality and position stay predictable under controlled illumination. Users should verify angular range against system tolerances to avoid unexpected depolarization or beam drift.
Mechanical Properties and Environmental Robustness
Substrate Choice and Thermal Behavior
The low expansion glass substrate minimizes dimensional shifts under moderate temperature variation. This is critical in laboratory and industrial setups where thermal gradients could otherwise introduce alignment drift over time.
Mounting Recommendations and Handling
Use edge mounting or low stress adhesives to preserve surface figure. Avoid direct contact with bare fingers, and implement clean handling procedures to prevent contamination that could temporarily or permanently affect reflectance.
Integration Guidelines for Optical Systems
Alignment Procedures and Calibration
Install the s331v 1 df spiegel on a kinematic mount, then perform tip tilt and piston adjustments using a HeNe reference beam. Document alignment parameters so that repeatability and long term stability can be verified during routine maintenance.
Compatibility with Filter Wheels and Rotators
Check axial runout and tilt when the mirror is mounted in motorized filter wheels. Use shims or adjustable mounts to keep wavefront distortion below the specified λ/10 limit across the full rotation range.
Application Summary and Recommendations
- Verify that system illumination wavelength matches the narrow band design near 633 nm.
- Use a kinematic mount and perform repeatable tip tilt adjustments for best long term stability.
- Monitor angular tolerance to avoid performance degradation at larger off axis angles.
- Implement clean handling procedures to protect the delicate high reflectance coating.
- Document alignment data to facilitate recalibration and quality assurance checks.
FAQ
Reader questions
What measurement standard defines the flatness of the s331v 1 df spiegel?
The flatness is specified according to ISO 10110 for optical surface figure, measured with a HeNe reference interferometer at 633 nm.
Can the s331v 1 df spiegel be used in high power laser applications?
No, this mirror is not designed for high power laser use; its coatings and substrate are optimized for precision metrology and imaging rather than high irradiance tolerance.
How does humidity affect the long term performance of the s331v 1 df spiegel?
Because the substrate is low expansion glass and the coatings are fully dense, humidity has minimal impact on performance when handled with standard clean room protocols.
What is the recommended angular acceptance for reliable operation?
Operate within ±5 degrees off normal incidence to maintain the specified reflectance and wavefront performance; beyond this range, beam position and intensity may deviate from design values.