Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 91.
Overview
The Diameter 25.4mm/12.7mm Laser Focus Fiber Optical Spherical Collimating Lens is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, spherical lenses shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality as Required. Typical applications: Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Spherical Lenses |
| Shape | Spherical Lenses |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | as Required |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 91 |
| Lenses Color | Clear |
| Polished | Yes |
| Bevel | Protective Bevel as Needed |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Diameter 25.4mm/12.7mm Laser Focus Fiber Optical Spherical Collimating Lens |
|---|---|
| Size | Diameter 25.4mm/12.7mm or as required |
| Shape | Plano-concave, plano-convex,double-concave,double-convex,double cemented,triplet cemented,positive meniscus,negative meniscus |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “as Required”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Protective Bevel as Needed”; state centration and edge chamfer.
- Coating — listed as “HMC”; 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 Laser Beam Splitter Glass Sheet.


