Germanium Optical Windows

Germanium is an excellent broadband Infrared (IR) window and substrate material. It has transmittance from 2.0 microns to 25 microns and with AR coatings has transmittance of an average of 70% and a peak of 92%. Transmittance from 2.0 μm to 25 μm. Thickness: from 1 to 10 mm. Dimensions up to... [See More]

• Window Material: Germanium
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: ? to 160

Germanium windows, opaque in the UV and visible parts of the spectrum, have a broad transmission range and are well-suited for IR applications. Germanium is a very hard, high-density material - characteristics that are advantageous where robustness is needed. Germanium's high density also makes it... [See More]

• Window Material: Germanium

Germanium Windows for Rugged Applications. A germanium window is an optical window which is opaque to UV and visible light but has a broad transmission range in IR. It has minimal chromatic aberration due to low dispersion, and we recommend using an anti-reflection coating because of its high index... [See More]

• Window Material: Germanium

Uncoated or with AR Coatings Designed for 3-12 µm or 8-12 µm. Minimal Chromatic Aberration Due to Low Dispersion. Ideal for Infrared Applications Requiring Rugged Optics. TECHSPEC ® Germanium (Ge) Windows are available off-the-shelf with two anti-reflection coating options: 3 - 12... [See More]

• Window Material: Germanium
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 10

Germanium (Ge) is a relatively hard, high-density, IR transmitting material that blocks UV and VIS wavelengths but allows IR from 2 µm. Germanium has the highest refractive index of commonly available IR-transmitters and has low optical dispersion. This makes it desirable in aspects of lens... [See More]

• Window Material: Germanium
• Window Diameter, Side Length, or Rectangular Length: 0.2000

• Window Shape: Circular
• Surface Quality: 60-40 Scratch / Dig

Round Sapphire Windows are excellent at protecting delicate lasers, sensors, cameras, and other devices due to their superior strength and scratch resistance. Sapphire windows can also be used as viewports in high pressure or vacuum situations. Sapphire pressure windows can be made much thinner than... [See More]

• Window Material: BK7 Glass; Germanium; Sapphire; UV Grade Fused Silica; Quartz, Silicon, MgF2, CaF2
• Window Shape: Circular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 3 to 300

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

• Window Material: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; UV Grade Fused Silica; Zinc Selenide; Silicon, Barium Fluoride, Infrasil®
• Window Shape: Circular; Rectangular

• Window Type: Plane
• Window Diameter, Side Length, or Rectangular Length: 12.7 to 50.8

FTIR transmission windows - round,square,drilled, and customized Transmission spectroscopy is one of the basic techniques for IR analysis. The sample and wavelength to be analyzed determine the choice of window material, path length and window arrangement. [See More]

• Window Material: Calcium Fluoride; Germanium; Sapphire; Zinc Selenide; KBr, ZnS, Silicon, BaF2, LiF, Fused Quartz, MgF2, SiO2

• Window Shape: Circular; Square; Rectangular

MOK Optics provides various of germanium windows upon customer requirements. The transmission of Ge is around 50% at 2-14 μm, we typically need to make AR coating for Ge optics, we can also make DLC coating (Diamond like carbon coating) for outdoor use. [See More]

• Window Material: Germanium
• Window Diameter, Side Length, or Rectangular Length: 3 to 200

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Parallelism or Wedge Angle: 0.5000

Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8 –12 um wavelength band. 3.1. Note for Ge Window: (1) . Please specify the material and resistivity. (2) Custom-made Ge windows at any size are available. (3) Besides round, shape of... [See More]

• Window Material: Germanium
• Thickness: 1 to 80

• Window Shape: Circular (optional feature); Square (optional feature); Rectangular (optional feature)
• Wedged or Parallel?: Parallel

Optical Windows are often used to create a physical barrier between two different environments – preventing two gases from mixing together, separating liquids from the air, keeping a sealed system in a vacuum. In many optical systems, a window is used to protect more expensive optical... [See More]

• Window Material: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; UV Grade Fused Silica; Zinc Selenide; VUV MgF2; SUPRASIL 1; Silicon; Zinc Sulfide
• Window Shape: Circular; Square; Rectangular

• Window Type: Plane; Brewster
• Wedged or Parallel?: Parallel (optional feature); Wedged (optional feature)

Brewster Windows are primarily used in laser cavities to produce a beam with a high degree of polarization purity. When unpolarized light is incident on an uncoated substrate at Brewster ’s Angle, the reflected portion is completely S polarized and the transmitted portion is partially P... [See More]

• Window Material: Germanium; Zinc Selenide; Chalcogenide Glass
• Window Shape: Circular

• Window Type: Brewster
• Wedged or Parallel?: Wedged

Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8 –12 um wavelength band. [See More]

• Window Material: Germanium
• Wedged or Parallel?: Parallel

• Window Shape: Circular
• Wavelength Range: 8000 to 12000

Intrinsic have very strong ability for the optical windows, we have three fabrication technique of pitch polishing, double side polishing and contact polishing to supply windows size from 1.2mm to 350mm with thickness from 0.12mm to 60mm, and the shape can be round, square, drilled, step, and... [See More]

• Window Material: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; UV Grade Fused Silica; Zinc Selenide; ZnS, Silicon, BaF2, MgF2

• Window Shape: Circular; Square; Rectangular

Parallel Windows are similar to Plane Windows, but with parallel surfaces. These windows are well suited for applications in which angular deviation of the transmitted beam must be kept as small as possible. Misalignment errors are also minimized when the window is repeatedly inserted and removed. [See More]

• Window Material: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; UV Grade Fused Silica; Zinc Selenide; FS, IR grade CaF2, MgF2, BaF2, ZnS, Si, Cleartran, Chalcogenide glass, Sapphire
• Wedged or Parallel?: Wedged

• Window Shape: Circular
• Parallelism or Wedge Angle: 5