Product type: Cylindrical Lens. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: RAY-LH261#.
Overview
The High-Quality UV Plano-Concave Optical Lens for Superior Imaging is supplied as an optical lens in Optical Glass (UV Fused Silica substrate). Listed geometry: single-lens shape. Optical / electrical data: transmittance Central 80% of Diameter. Coating: Ar.14, Ar.16, Ar.18, Ar.33 Coated; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/2-4 or Custom Manufacturing. Typical applications: Lighting, Medical, Optical, Photography and Laser. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | UV Fused Silica |
| Type | Cylindrical Lens |
| Shape | Single-lens |
| Transmittance | Central 80% of Diameter |
| Coating | Ar.14, Ar.16, Ar.18, Ar.33 Coated |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | RAY-LH261# |
| Lenses Color | Clear |
| Surface Flatness | Lambda/2-4 or Custom Manufacturing |
| Effective Focal Length(Efl) | From -25.4mm to -300mm |
| Surface Accuracy, Irregularity | Lambda/2-4 or Custom Manufacturing |
| Products Name | UVFS Plano-Concave Cylindrical Lenses |
| Lens Substrates | UV FUSED SILICA |
| Coating Code | Coating Type |
| Applying Fields I | Laser diode beam shaping |
| Applying Fields II | Other |
| Main Characters | 1).High performance 40-20 scratch-dig UV FUSED SILICA substrates |
| Main Optical Tech Specification | Tech Data |
| UV Coating | 2 J/cm |
| Visible Coating | 7.5 J/cm |
| NIR Coating | 7.5 J/cm |
| Popular Physical Size Specification | Size |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Coating Code: | Coating Type | Wavelength Range |
| AR.10 | UV Antireflection Coated | 245-440 nm |
| AR.14 | Visible Multilayer | 430-700 nm |
| AR.16 | NIR Multilayer | 650-1000 nm |
| AR.33 | Laser Line V-Coat Multilayer | 1064 nm |
| – | Uncoated | – |
| Applying Fields I: | Laser diode beam shapingProfile analysis of laser diodeLaser metrologyLaser scanningLine illumination in spectroscopy |
|---|---|
| Applying Fields II: | Other |
| ***** |
| Tech Data | Description |
|---|---|
| Lens Shape | Plano-Concave Cylindrical (Double Concave) |
| Material | UV FUSED SILICA |
| Surface Quality | 40-20 scratch-dig |
| Surface Flatness | λ/2-λ/4 |
| Surface Accuracy, Irregularity | λ/2-λ/4 |
| Surface Accuracy, Power | 1.5 λ |
| Centration | – |
| Damage Threshold | UV Coating: 2 J/cm2, 10 nsec pulses, 10 Hz at 355 nmVisible Coating:7.5 J/cm2, 10 ns pulses, 10 Hz at 532 nmNIR Coating:7.5 J/cm2, 10 ns pulses, 10 Hz at 1064 nm1064nm Coating:12 J/cm2, 10 ns pulses, 10 Hz at 1064 nm |
| Chamfers | 0.5 mm face width |
| Chamfers Angle Tolerance | 45°, typical |
| Focal Length Tolerance | ±2.0% |
| Clear Aperture | ≥central 80% of diameter |
| Effective Focal Length(EFL) | From -25.4mm to -300mm |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “From -25.4mm to -300mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Ar.14, Ar.16, Ar.18, Ar.33 Coated”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.
