Germanium Biconvex Lens PGe05-
Germanium biconvex lenses are usually made of germanium single crystal materials and have excellent optical and mechanical properties. In equipment such as LiDAR, optical sensors, and spectrometers, as a transmission or reflection device for optical paths, the transmission spectrum range is 2-12 μm, which is a very commonly used infrared optical material with high hardness, good thermal conductivity, and insoluble in water. When manufacturing germanium biconvex lenses, precision machining and polishing processes are usually required to ensure their surface quality and optical performance. It can be coated with MgF2, UV-AR, UV-VIS, VIS-EXT, VIS-NIR, NIR I, NIR II, Telecom NIR, SWIR, SWIR, YAG-BBAR and other film systems.
Save to Favorites
Overview
Specifications
| Parameter | Value |
|---|---|
| Dia | 2-300 mm |
| Focal Length | 15-5000 mm |
| Center Thickness | 0.12-60 mm |
| Edge Thickness | 0.12-60 mm |
| Design Wavelength | Custom |
| Radius of Curvature | Custom |
| Surface Quality | 60-40 |
| Diameter Tolerance | +0.0/-0.1 |
| Thk Tolerance | ±0.1 mm |
| Substrate Material | Germanium（Ge） |
| PV [@632.8nm] | λ/4 |
| Centering | <3′ |
| Clear Aperture | >90% |
| Coating | Uncoated |
| REACH | Compliant |
| ROHS | Compliant |
| Transmission Range [Substrate Material：Germanium（Ge）] | 2-15μm |
| Reflection Loss [Substrate Material：Germanium（Ge）；@10.6μm] | 4.0028@10.6μm |
| Absorption Coefficienet [Substrate Material：Germanium（Ge）；@3.8μm] | 1.3×10⁻³@3.8μm |
| Absorption Coefficienet [Substrate Material：Germanium（Ge）；@10.6μm] | 3×10⁻²@10.6μm |
| Structure [Substrate Material：Germanium（Ge）] | Cubic Crystal System |
| Cleavage Planes [Substrate Material：Germanium（Ge）] | <111> |
| Density [Substrate Material：Germanium（Ge）] | 5.33 g/cm³ |
| Melting Point [Substrate Material：Germanium（Ge）] | 936 ℃ |
| Thermal Conductivity [Substrate Material：Germanium（Ge）；@293K] | 58.61 @ 293K |
| Thermal Expansion [Substrate Material：Germanium（Ge）；@298K] | 6.1 @ 298K |
| Knoop Hardness [Substrate Material：Germanium（Ge）] | 780 kg/mm² |
| Specific Heat Capacity [Substrate Material：Germanium（Ge）] | 310 J/(kg×K) |
| Dielectric Constant [Substrate Material：Germanium（Ge）；@9.37 GHz] | 16.6 @9.37 GHz |
| Young's Modulus (E) [Substrate Material：Germanium（Ge）] | 102.7 GPa |
| Shear Modulus(G) [Substrate Material：Germanium（Ge）] | 67 GPa |
| Bulk Modulus(K) [Substrate Material：Germanium（Ge）] | 77.2 GPa |
| Poisson Coefficient [Substrate Material：Germanium（Ge）] | 0.28 |
| Solubility [Substrate Material：Germanium（Ge）] | Inoluble |
| Molecular Weight [Substrate Material：Germanium（Ge）] | 72.61 g/mol |
Applications
Datasheet
Please provide your email to download the datasheet.
Invalid email format. Please try again.
Supplier Information
Related Products
-
Tera3001-SA dual-LENS multidaughterboard coupling equipment Optical Lenses Terawan
The Tera3001-s multidaughterboard automatic alignment platform serves 10G/14G/25G optical transceivers. It mainly aligns lenses in Chip On Board (COB) modules, with single- or dual-channel lens/source alignment, automatic dispensing, and UV curing. The Tera3001-S provides high coupling efficiency, stability, and UPH depending on customer design, plus one-button collision protection and UV protection.
-
355 field lens Optical Lenses Central-laser
Focal Length [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 100 mm Working Distance [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 136 mm Scan Range [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 70 mm² × 70 mm²
355 field lens: large zinc-selenide (ZnSe) focusing lens with a small spot for accurate marking. Imported lens material provides long service life and reduces removal, installation, and alignment. The 355nm scanning field lens is suitable for ultraviolet laser-marking machines.
-
532 field lens Optical Lenses Central-laser
Focal Length [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 100 mm Working Distance [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 114.5 mm Scan Range [Original Table Row 2; Focal Length=100mm; Parallel Values in the Same Row Not Split into Separate Models or Configurations]: 70 mm² × 70 mm²
532 field lens: large zinc-selenide (ZnSe) focusing lens with a small spot for accurate marking. Imported lens material provides long service life and reduces removal, installation, and alignment. The 532nm field lens is suitable for green laser-marking machines.
-
CO2 field lens Optical Lenses Central-laser
Focal Length [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 72 mm Mirror Diameter [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 48 mm Scan Range [Original table row 2; Focal length=72mm; Parallel values in the same row, without additional model or configuration splitting]: 50 mm² × 50 mm²
CO2 field lens: large zinc-selenide (ZnSe) focusing lens with a small spot for accurate marking. Imported lens material provides long service life and reduces removal, installation, and alignment. The 10640nm scanning field lens is suitable for CO2 laser-marking machines.
-
YAG field lens Optical Lenses Central-laser
Focal Length [Original table row 2; Focal length=63mm; Parallel values in the same row, without additional model or configuration splitting]: 63 mm Working Distance [Original table row 2; Focal length=63mm; Parallel values in the same row, without additional model or configuration splitting]: 78 mm Scan Range [Original table row 2; Focal length=63mm; Parallel values in the same row, without additional model or configuration splitting]: 50 mm² × 50 mm²
YAG field lens: large zinc-selenide (ZnSe) focusing lens with a small spot for accurate marking. Imported lens material provides long service life and reduces removal, installation, and alignment. The 1064nm scanning field lens is suitable for fiber laser-marking machines.
Related Articles
The LZFL405‑80mW‑3 series from Shenzhen Leirte Optoelectronics Co., Ltd. is a coaxial‑packaged violet‑blue single‑mode fiber‑coupled laser diode. It delivers 80 mW continuous‑wave output at 405 nm. Light is coupled into 3 μm core‑diameter single‑mode fiber for clean beam quality and easy integration into diverse optical systems. It serves as a compact violet‑blue light source for medical instruments and industrial printing applications.
Wuhan Optics Valley Quantum Technology Co., Ltd. is a leading domestic developer of high‑speed semiconductor optical chips and photodetector components. Our product portfolio covers InGaAs avalanche photodiode bare dies and PIN photodetector chips designed for fiber‑optic communication
As a professional ultraviolet‑laser solution provider, Precilasers has launched its 266 nm narrow‑linewidth industrial laser, delivering reliable single‑frequency output for high‑precision interference lithography, semiconductor inspection and precision metrology applications.
Electro-optic deflectors (EODs) are optical devices used to steer or deflect light beams by applying an electric field to a specialized optical crystal. Unlike mechanical beam steering systems that rely on moving mirrors, electro-optic deflectors enable high-speed, non-mechanical beam control with exceptional precision and responsiveness. They are widely used in laser scanning, optical communications, microscopy, laser printing, spectroscopy, and scientific research, where rapid and accurate laser beam positioning is essential.
Loading...
Name
Phone
Organization
Use Case
Database Platform