Connect your optical design to the right material. ZnSe windows for CO2 lasers, infrared imaging and precision spectroscopy, with specifications shaped around your application.
Start with what the window must do. ZnSe windows transmit light while separating your optical path from its surroundings. Wavelength, environment and laser load determine the right specification.
Consider a ZnSe window for transmitting the 10.6 µm beam through a protective interface. For cutting, marking or engraving systems, review beam diameter, contamination and cooling before choosing the optic.
A ZnSe infrared window can form the optical interface of a detector enclosure. Match its coating to the camera band and check thermal drift, clear aperture and mount stress at the system level.
Evaluate ZnSe windows for a broadband measurement path or compatible sample-cell interface. Include the full spectral range, sample chemistry and background-reference procedure in the design review.
For an infrared gas cell, a ZnSe window may separate the optical channel from the sample. Pressure differential, gas chemistry, temperature and sealing geometry need explicit engineering review.
Assess ZnSe windows for pyrometers and process observation ports. A window changes the spectral response, so calibrate the complete sensor assembly and consider deposits on either surface.
Use a ZnSe window as a candidate interface in experimental infrared systems. For coherent light, consider a wedge to reduce parallel-surface interference, and define transmitted wavefront requirements.
Application suitability is design-dependent. Bulk material reference: ZnSe material data. For the supplier's product overview, see XINKEHUI ZnSe materials. These references are not batch certificates.
ZnSe is a useful infrared optical material, but a successful ZnSe window is more than a transparent disc. Surface finish, coating and mechanical integration all matter.
ZnSe spans a wide infrared region. Choose the usable band from the actual thickness and coating response, not only the nominal material range.
A ZnSe AR coating can reduce interface reflections. Define wavelength, angle of incidence and polarization to avoid optimizing the wrong optical condition.
ZnSe's visible transmission can help with compatible alignment wavelengths. Check the coated assembly: an infrared coating may change visible throughput.
For each ZnSe window, agree on dimensions, surface quality and optical tests. An acceptance plan makes the procurement decision clearer than a generic quality label.
Discuss round, rectangular and application-specific ZnSe windows with our team. Supplied photos show example geometries, not confirmed stock or guaranteed coating performance.
For circular optical ports and conventional mounts. Include diameter, thickness, edge treatment and the required optical clear aperture.
Specify a round window
For rectangular ports and custom assemblies. Send length, width, thickness, corner details and a drawing of the mounting interface.
Discuss a rectangular window
For a defined laser wavelength or infrared band. Request coating feasibility, spectral performance and relevant test conditions.
Review coating requirementsThe values below describe typical zinc selenide material. They are reference data, not a guaranteed specification for every XINKEHUI ZnSe window.
ZnSe optical performance depends on material grade, thickness, surface condition and coating. Request order-specific ZnSe acceptance criteria and test documentation.
ZnSe technical reference| Property | Typical reference value | Conditions / interpretation |
|---|---|---|
| Chemical composition | ZnSe — zinc selenide | ZnSe optical grade must be confirmed |
| Transmission range* | 0.6–21 µm | Bulk reference; useful band depends on thickness/coating |
| Refractive index* | 2.4028 | At 10.6 µm; wavelength-dependent |
| Density* | 5.27 g/cm³ | Typical bulk material |
| Thermal conductivity* | 18 W/(m·K) | At 298 K |
| Thermal expansion* | 7.1 × 10⁻⁶ /K | At 273 K |
| Specific heat capacity* | 339 J/(kg·K) | Typical reference value |
| Knoop hardness* | 120 kg/mm² | Relatively soft; avoid abrasive handling |
| Young's modulus* | 67.2 GPa | Not a finished-window pressure rating |
| Poisson's ratio* | 0.28 | Typical bulk material |
| Crystal structure* | Cubic, zinc blende | Specify the manufacturing grade separately |
| Uncoated reflection estimate | About 17% per surface at 10.6 µm | Normal incidence; calculated from n = 2.4028 |
*Source: published zinc selenide material data. Fresnel estimate: R = [(n − 1)/(n + 1)]², ignoring absorption. No batch-specific transmission curve is implied.
| Drawing item | Required information |
|---|---|
| Geometry | Round / square / rectangular; review custom shapes |
| Size & tolerances | Diameter or L × W, thickness, dimensional limits |
| Optical aperture | Clear aperture and usable illuminated area |
| Surface quality | Scratch-dig requirement and inspection standard |
| Surface figure | Flatness and/or transmitted wavefront; test wavelength |
| Parallelism / wedge | Angle requirement, orientation if relevant |
| Edge finish | Bevel, edge chips and mounting keep-out area |
| System item | Required information |
|---|---|
| Wavelength | Single wavelength or complete operating band |
| Coating | Uncoated / laser AR / broadband AR, subject to review |
| Incidence angle | AOI range and polarization |
| Laser loading | CW power, or pulse energy, duration and repetition rate |
| Beam size | Beam diameter, definition and profile |
| Environment | Temperature, pressure, media and mount design |
| Acceptance | Requested tests, report format and sampling plan |
| Candidate | Why evaluate it? | Key question before selection |
|---|---|---|
| ZnSe windows | Broad infrared use; possible visible alignment | Is the surface/coating suitable for the optical load? |
| Germanium windows | Common candidate for infrared-only systems | Do you need visible transmission and thermal stability? |
| Fused silica windows | Candidate for visible and near-IR work | Does the material transmit the required infrared wavelength? |
| Sapphire windows | Candidate when surface durability is important | Does its usable band overlap the detector or laser band? |
This is a design-screening guide, not a statement that one material is interchangeable with another. Confirm transmission data for the selected grade and thickness.
Whether you are replacing one optic or planning a production assembly, a clear technical brief helps us review feasibility and prepare a relevant quotation.
Tell us what the ZnSe window separates, the operating band, optical load and environmental conditions.
Share your ZnSe drawing or dimensions. Include clear aperture, thickness, tolerances and mount details.
Review ZnSe coating needs, inspection criteria and requested reports before the order is confirmed.
Confirm ZnSe quantity, destination, packaging, quotation, availability and dispatch schedule with our team.
XINKEHUIshanghai xinkehui new materails co.,ltd specializes in the production and sales of semiconductor and optical materials. Our portfolio includes silicon wafers, silicon carbide wafers, sapphire substrates, CVD synthetic diamond, YAG single crystals, ZnSe windows and sapphire watch cases.
Our published company information describes engineering, precision processing and optical inspection capabilities. For this ZnSe window project, we focus on your specification, application conditions and the documentation required for an informed purchasing decision.
A drawing-led discussion of your ZnSe window's geometry, optical role and inspection requirements.
ZnSe-specific confirmation instead of applying another material's manufacturing tolerances.
Discuss dimensional, surface and spectral reports for your ZnSe order before confirmation.
One enquiry route for ZnSe product questions, quotation and supply coordination.
Practical answers for designers, purchasing teams and equipment owners.
Ask an application questionA ZnSe window is a zinc selenide optical plate used to transmit selected wavelengths while providing a physical interface. Unlike a focusing lens, a nominally flat window is not intended to focus the beam.
Typical bulk ZnSe reference data gives approximately 0.6–21 µm. The useful transmission of your finished window depends on thickness, grade and coating; ask for a curve covering your operating band.
ZnSe is a common candidate at 10.6 µm, but suitability is not a universal power rating. Supply the wavelength, CW or pulsed operating conditions, beam profile, cooling and contamination controls for review.
Uncoated ZnSe has significant surface reflection because of its high refractive index. An appropriate AR coating can reduce this loss. Select the coating around the actual wavelength, incidence angle and polarization.
No. A single-wavelength laser coating and a broadband infrared coating have different design targets. Specify the complete band and performance requirement rather than ordering only by the label “AR coated.”
Send a drawing for feasibility review, including dimensions, thickness, clear aperture, tolerances and surface requirements. Custom ZnSe dimensions and achievable tolerances are confirmed in the quotation, not assumed from other materials.
No. A lens has optical power and a specified focal length or curvature. A flat ZnSe window primarily transmits the optical path. Do not replace a lens with a window merely because their diameters match.
First request the cleaning procedure for the actual coating. Handle the ZnSe window by its edges with clean gloves and avoid abrasive contact. Do not use an unapproved solvent or cleaning method on a coated surface.
Only after assembly-level engineering review. ZnSe thickness, unsupported diameter, edge condition, mount, seals and pressure differential all matter. The material table does not establish a safe pressure rating.
Provide geometry, operating wavelength, coating needs, quantity, delivery destination and a drawing if available. For a laser ZnSe window, add power or pulse data and beam diameter. Include required test reports.
ZnSe window pricing and stock are quotation-based and have not been verified on this page. Size, grade, coating, inspection and quantity influence the quote. Ask our team to confirm current availability and lead time.
Discuss a dimensional report, surface inspection, optical test results and coating spectral data relevant to your ZnSe specification. Availability, test methods and sampling must be agreed before the order; not every test is included automatically.
Share your optical requirements. We will review the details needed for a ZnSe quotation, including feasibility, pricing and availability.
Pricing: quotation required. Stock status: not confirmed.
No online payment is collected on this page.