- Cart
- |
- Personal Center
- |


785 nm Raman Short-pass Edge Filter
MP-SPF-785 is a 785 nm short-pass edge filter, designed to provide a cost-effective solution for Raman spectroscopy applications. It offers high transmittance over a broad spectral range from 350 to 758.2 nm, while providing deep blocking from 780 nm to 1200 nm, making it ideal for effectively blocking laser scattering signals in Raman spectroscopy measurements.
Product features:Dual‑band high transmittance;Deep laser line blocking;Steep cut‑off edge;Standard 25 mm outer diameter
Part Number:MP-SPF-785
Application area:Raman spectroscopy analysis | Laser line blocking | Broad spectral transmittance | Scientific research and laboratory equipment
Add to Cart Request for Quotation Consult Favorite
Laser Wavelength Transmission Band
785 nm Tavg > 80 % 350–400 nm

Specification | Value |
Laser Wavelength | 785 nm |
Transmission Band | Tavg > 80 % 350–400 nm |
Transmission Band | Tavg > 93 % 400–758.2 nm |
Blocking Band | ODabs > 6 780.0–948.0 nm |
Blocking Band | ODavg > 3 948 – 1200 nm |
Edge Steepness | 0.015 |
Edge Steepness | 189.5 cm-1 |
Edge Steepness | Standard (for Raman) |
Edge Steepness | 11.7 |
Edge Wavelength | 765.5 nm |
Transition Width | 19.5 nm |
Transition Width | 313 cm-1 |
Angle of Incidence | 0 ± 2° |
Cone Half-angle | 5° |
Clear Aperture | 22 mm |
Transverse Dimensions, Diameter | 25 mm |
Filter Thickness, Mounted | 3.5 mm |
Filter Thickness Tolerance, Mounted | ± 0.1 mm |
Filter Thickness, Unmounted | 2.0 mm |
Filter Thickness Tolerance, Unmounted | ± 0.1 mm |
Surface Quality (Scratch-Dig) | 60-40 |
Filter Effective Index | 1.73 |
Optical Damage Rating | Not tested |
Orientation | Arrow on ring is preferred direction of propagation of light |
Spectral Characteristic Curves
Transmittance-Wavelength Spectrum
Optical Density Spectrum

--
Request for Quotation
We will reply to all your information about the product in time.
⇪