Product type: Plano-Convex Lenses. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: RAY-LH249#.
Overview
Ultra High-Performance Fused Silica Lens for Crystal Clear Vision: an optical lens in Optical Glass (Optical Glass, UV Fused Silica Substrate substrate). Listed geometry: single-lens shape. Optical / electrical data: wavelength 245-440 Nm, transmittance >95%. Coating: UV Multilayer; surface quality 20-10 Scratch-Dig or Custom; flatness Lambda/8. It is used in 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 | Optical Glass, UV Fused Silica Substrate |
| Type | Plano-Convex Lenses |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | UV Multilayer |
| Surface Quality | 20-10 Scratch-Dig or Custom |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | RAY-LH249# |
| Lenses Color | Clear |
| Ar Coating Wavelength | 245-440 Nm |
| Coating Type | UV Multilayer Ar10. |
| Surface Flatness | Lambda/8 |
| Products Name | UV Antireflection Coated UV Fused Silica Plano-Convex Lens |
| Lens Substrates | UV fused silica substrate for UV region, laser line and wide band applications |
| Applying Fields I | Laser electrooptic focusing |
| Applying Fields II | Collimating laser beam for laser equipment |
| Appling Fields III | Other |
| Main Tech Specification | Lens Shape |
| Main Physical Size Specification | Products Code |
| Other Available Lens Substrates | UV fused quartz,Molded glass,Fused silicon glass,N-BK7,K9,K7,B270,D-LAK,D-ZK3,D-ZLaF52LA18 |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Applying Fields I: | Laser electrooptic focusing |
|---|---|
| Applying Fields II: | Collimating laser beam for laser equipmentCollimating the optical fiber output |
| Appling Fields III: | Other |
| Lens Shape | Plano-Convex | Surface AccuracyIrregularity | λ/8 |
| Lens Material | UV Fused Silica | Surface Accuracy, Power | 1.5 λ |
| Antireflection Coating | 245-440 nm | Chamfers | 0-0.8 mm face width |
| Coating Type | UV Multilayer | Chamfers Angle/Tolerance | 45° ±15°, typical |
| Coating Code | AR.10 | Focal LengthTolerance | ±1 % |
| Damage Threshold | 2 J/cm2, 10 nsec pulses, 10 Hz at 355 nm | Diameter Tolerance | +0/-0.1 mm |
| Surface Quality | 20-10 scratch-dig | Clear Aperture | ≥central 90% ofdiameter |
| Surface Flatness | λ/8 | OEM/ODM | Accepted |
| Products Code | Diameters | EFL | AR.film Wavelength |
| RT01030801 | 6.35mm | 12.7mm | 245-440 nm |
| RT01030802 | 12.7mm | 16.0mm | 245-440 nm |
| RT01030803 | 12.7mm | 19.0mm | 245-440 nm |
| RT01030804 | 12.7mm | 25.4mm | 245-440 nm |
| RT01030805 | 12.7mm | 38.1mm | 245-440 nm |
| RT01030806 | 12.7mm | 50.2mm | 245-440 nm |
| RT01030807 | 12.7mm | 75.6mm | 245-440 nm |
| RT01030808 | 12.7mm | 25.4mm | 245-440 nm |
| RT01030809 | 25.4mm | 33.0mm | 245-440 nm |
| RT010308010 | 25.4mm | 38.1mm | 245-440 nm |
| RT010308011 | 25.4mm | 50.2mm | 245-440 nm |
| RT010308012 | 25.4mm | 62.9mm | 245-440 nm |
| RT010308013 | 25.4mm | 75.6mm | 245-440 nm |
| RT010308014 | 25.4mm | 88.3mm | 245-440 nm |
| RT010308015 | 25.4mm | 100mm | 245-440 nm |
| RT010308016 | 25.4mm | 125mm | 245-440 nm |
| RT010308017 | 25.4mm | 150mm | 245-440 nm |
| RT010308018 | 25.4mm | 175mm | 245-440 nm |
| RT010308019 | 25.4mm | 200mm | 245-440 nm |
| RT010308020 | 25.4mm | 350mm | 245-440 nm |
| RT010308021 | 25.4mm | 500mm | 245-440 nm |
| RT010308022 | 25.4mm | 750mm | 245-440 nm |
| RT010308023 | 25.4mm | 1000mm | 245-440 nm |
| RT010308024 | 50.8mm | 200mm | 245-440 nm |
| RT010308025 | 50.8mm | 250mm | 245-440 nm |
| RT010308026 | 50.8mm | 300mm | 245-440 nm |
| RT010308027 | 50.8mm | 500mm | 245-440 nm |
| Custom | Custom | Custom |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “Products Code”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10 Scratch-Dig or Custom”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “UV Multilayer”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).


