Mono
Any λ(lamda) any Δλ (delta lamda)
Broadband spectral range
255–1700 nm
High damage threshold
< 2 MW/cm² (for CW laser)
High throughput
> 75 %
A variety of aperture sizes
5 , 10 mm
Great out of band blocking
| Mono |
| OD 10 in tuning range, OD 5 in spectral range up to 1700 nm |
Does not affect beam shape
Distortion free

Product Highlights


Demonstration of Mono's Operation


The data above demonstrates the operational capability of Mono, highlighting its
accurate ability to freely select both the center wavelength and bandwidth.
Who Needs FWS-Mono?
For users who need precise spectral control in compact, flexible systems.
1. Build a tunable light source Using broadband light source(white light)
- Select the wanted wavelengths in 1 nm steps via software control
- Replace AOTFs, monochromators, or LLTFs
- Can be used safely with femtosecond and high-power lasers without incurring damage.
Tunable light source

2. Enable precise imaging or analysis
– Create a hyperspectral imaging system
– Analyze specific wavelengths with high accuracy
– Adjust bandwidth dynamically for various conditions
Hyperspectral imaging system

Specifications
| Product | ![]() |
![]() |
| Model | Mono-A5 | Mono-A10 |
| Spectral range (nm)1) | 255–1700 nm | |
| Bandwidth (FWHM) (nm) (nominal)2) | Max: 3–15 nm / Min: 7–13 nm | |
| Aperture size (mm) | 5 mm | 10 mm |
| Out of band Blocking3) | OD 10 in tuning range, OD 5 in spectral range up to 1700 nm | |
| Step size of center wavelength & Bandwidth (nm) | 1 nm | |
| Damage threshold | Pulse : Peak Fluence < 1.75 joules/cm2 (~70 um spot diam., 10 ns, 10 Hz, 532 nm LASER) CW (Continuous wave) : Intensity < 2 MW/cm2 (1064 nm, ~ 90 m spot diam.) | |
| Transmission efficiency (%) (nominal) 4) | > 75 % (avg.) | |
| Scanning speed (ms) | 30–300 ms (depending on step size)5) | |
| Software | FWS-Auto ver 3.1 | |
| Dimension (L x W x H, mm) | 48 mm x 92 mm x 64 mm | |
| Electric requirement | AC 100–240 V, 50/60 Hz | |
| Data interface | USB 2.0 | |
| Weight (kg) | 0.4 kg | |

Choose Your Model: Mono
Select the filter slot that covers your desired wavelength range.
The center wavelength and bandwidth (FWHM) are tunable via software within the predefined range of each model.
Step 1: Select a filter model based on your target wavelength range

Step 2: Choose the appropriate aperture size for your light source
| Mono-A5 | 5 mm | Suitable for lasers with small beam size, such as supercontinuum lasers |
| Mono-A10 | 10 mm | Suitable for light sources with large beam size (tungsten-halogen, plasma, LED) |

Application
| Main Category | Sub-Application Area |
|
Basic Scientific Research (Physics, Chemistry, Optics, etc.) |
General Optical Experimentation & Photo Detection |
| Precision Spectral Measurements with Broadband Sources | |
| Laser-Based Systems | |
| Adaptive Optics & High-Precision Optical Metrology (e.g., piston sensing) | |
| Holographic & Interferometric Measurements | |
| Quantum Computing & Quantum Optics | |
| Life Sciences & Biotechnology | Fluorescence Imaging & Microscopy |
| Laser Scanning Confocal Microscopy | |
| Cell Analysis, Drug Discovery & Screening | |
| Optogenetics | |
| Bio-inspired Photoreceptor Research & Artificial Visual Systems | |
| Materials Science & Advanced Materials Research | Photoluminescence (PL) & Spectroscopy |
| Nearfield Optics & Advanced Optical Phenomena (e.g., Magnetic Light- Matter Interactions) | |
| Supercontinuum Laser-based Spectral Measurements | |
| Thin Film & Nanomaterial Analysis | |
| Industrial Metrology & Quality Control / Sensor Calibration | High-Precision Sensor Calibration & Photo Detection Systems |
| Display & Camera Testing | |
| Optical Component Characterization | |
| Medical Diagnostics & Environmental Analysis | Non-invasive Medical Imaging |
| Water & Air Quality Monitoring | |
| Hyperspectral Imaging | - |
| Energy & Photovoltaics | Solar Cell Spectral Responsivity Testing |
Why Choose FWS?
Comparison with Conventional Filter Technologies


Input and Output Linkers
Various accessories for the FWS including input and output linkers, extender and mounting bases.






