Sapphire Meniscus Lenses
from CRYSTECH, Inc.
CRYSTECH is dedicated to manufacturing high precision spherical lens for solid-state leaser systems. We have over 20 years of experience in lens manufacturing, design, and coating. We provide these lenses with the material of BK7, fused silica, sapphire, CaF2, ZnSe(ZnS) and other glass raw material. [See More]
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica
- Surface Flatness: λ/2 (optional feature); λ/4
- Lens Application: Infrared; Visible
- Lens Features: Mounted (optional feature)
from Changchun Sunday Optics Co., Ltd.
The H-K9L double concave lens has excellent transmittance from visible to near infrared (350-2000nm).H-K9L (N-BK7) is a commonly used optical glass for the preparation of high-quality optical elements. When the additional advantages of UV melting quartz (good transmittance and low thermal expansion... [See More]
- Materials: Germanium; Sapphire; Optical glass, UVFS, Germanium, Silicon, CaF2, MgF2, ZnSe ZnS, Sapphire
- Surface Quality: 10-5 Scratch / Dig
- Lens Application: Infrared; Visible
- Surface Flatness: λ/10
from Foctek Photonics, Inc.
FOCtek provides five kinds of spheric lens forms, or shapes, that determine the imaging Characteristics. of the lenses, they are plano-convex, plano-concave, Double-convex, Double-concave and Meniscus. Plano-convex lens has a positive focal length, which makes it ideal for collecting and focusing... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; H-K9, Fused Silica, N-SF10, Silicon
- Surface Flatness: λ/4; <1.5?
- Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
- Lens Features: Antireflection Coating (optional feature)
from MOK Optics Co., Ltd.
meniscus lenses are used to decrease the focal length of another lens while maintaining the angular resolution of the optical assembly. These lenses are commonly used to achieve tighter beam focusing when paired with another positive lens. [See More]
- Materials: Germanium; Sapphire; Ultra-violet grade Fused Silica; CDGM, SCHOTT, OHARA, HOYA, MgF2, CaF2, ZnSe, ZnS etc
- Surface Quality: 10-5 Scratch / Dig
- Diameter / Length: 3 to 250
- Surface Flatness: λ/8
from HG Optronics, Inc.
Laser Lenses are used to focus collimated light from laser beams in a variety of laser applications. Laser Lenses include a range of lens types including HGQ Lenses, Cylinder Lenses, or Laser Generator Lenses. Laser Lenseare designed to focus light in several different ways depending on the lens... [See More]
- Materials: Calcium Fluoride; Germanium; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica; Optical colorless glass, Fused Silica, CaF2, Sapphire, Germanium, Silicon, ZnSe, ZnS, etc.
from ECOPTIK (CHANGCHUN) LTD
Meniscus Cylindrical Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used... [See More]
- Materials: Sapphire; Optical Glass, Fused Silica
- Center Thickness: 2 to 20
- Lens Application: Visible
- Surface Quality: 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig