Optran® HWF – High Numerical Aperture VIS-NIR Optical Fiber

Name: Optran® HWF – High Numerical Aperture VIS-NIR Optical Fiber
Brand: Ceramoptec
Availability: InStock

Description

Optran® HWF optical fibers are multimode fibers with a fused silica core and fluorinated acrylate cladding, designed for light transmission in the 350–2200 nm spectral range. The fibers support numerical aperture values of up to 0.57 and are available with core diameters ranging from 100 µm to 2000 µm.

As low-OH fibers, Optran® HWF provides improved transmission performance in the visible and near-infrared spectral range compared to high-OH fiber types. This makes them particularly suitable for applications where stable transmission at longer wavelengths is required.

Typical applications include illumination systems, spectroscopy setups, and optical sensing and measurement systems requiring reliable light delivery across a broad spectral range.

Optran® HWF can be customized to your application specific needs.

Specifications

Fiber Core Material:	Silica
Core Diameter:	100 to 2000 μm
Numerical Aperture (NA):	0.37 ± 0.02 \| 0.48 ± 0.02 \| 0.52 ± 0.02 \| 0.57 ± 0.02
Operating Temperature:	-40 to +150°C
OH Content Optran HWF:	low (< 1 ppm)

Download Data Sheet

Features

Numerical Aperture (NA):
- 0.37 ± 0.02
- 0.48 ± 0.02
- 0.52 ± 0.02
- 0.57 ± 0.02
Jacket Options:
- ETFE: -40 to +150°C
- Nylon: -40 to +100°C
Standard Prooftest: 100 kpsi
Minimum Bending Radius:
- 50 × cladding diameter for short-term mechanical stress
- 150 × core diameter when used with high laser power
High NA at a Low Price: Offers excellent performance without breaking the bank
Tailored to your specific application needs

Applications

Illumination
Sensing
Photodynamic Therapy
Spectroscopy

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Ships from:

Germany

Sold by:

Ceramoptec

On FindLight:

since 2026

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Frequently Asked Questions

What distinguishes HWF fibers from HUV fibers?

The main difference between Optran® HWF and Optran® HUV is the OH content. Optran® HWF is a low-OH fiber, while Optran® HUV is a high-OH fiber, which affects their spectral transmission characteristics.

When should a low-OH fiber like Optran® HWF be used?

Low-OH fibers such as Optran® HWF are typically used in applications where transmission in the visible and near-infrared spectral range is required.

Is Optran® HWF suitable for UV applications?

Optran® HWF fibers are designed for transmission starting from 350 nm, but their low-OH composition is typically selected for applications beyond the deep UV range.

What materials are used in Optran® HWF fibers?

The fibers consist of a fused silica core and a fluorinated acrylate cladding.

How does the OH content influence fiber performance?

The OH content of a fiber influences its transmission behavior across different wavelength ranges. Low-OH fibers such as Optran® HWF are typically used for applications in the visible and near-infrared range, while high-OH fibers are commonly used for UV transmission.