Dual Band Laser Mirror / TFMMW

This mirror is compatible with Nd-YAG lasers and fiber lasers (up to 2nd harmonic) and covers two wavelength bands with a single mirror.

In addition to the fundamental wave of YAG and fiber lasers, it covers up to the 2nd harmonic and achieves a high reflectivity of over 99% in the two bands.
Due to the high reflectivity, the amount of light does not decrease significantly even if the mirror is reflected multiple times.
The use of dielectric multilayer mirrorcoating makes the mirror surface scratch-resistant and cleanable.
The coating absorbs little light, resulting in little change over time and withstanding continuous laser irradiation.

 

Common Specifications

Material	Synthetic fused silica
Coating	Dielectric multi-layer coating
Incident Angle	45°
Surface Flatness	λ/10
Parallelism	＜3′
Surface Quality (Scratch-Dig)	20 - 10
Clear Aperture	90% of the diameter
Rear Surface	Polished

 

Schematic	Outline Drawing

 

Part Number	Wavelength Range	Diameter φD	Thickness t	Reflectance
TFMMW-12.7C03-532/1064	515 - 532, 1030 - 1064nm	φ12.7mm	3mm	＞99.0％
TFMMW-12.7C05-532/1064	515 - 532, 1030 - 1064nm	φ12.7mm	5mm	＞99.0％
TFMMW-25.4C03-532/1064	515 - 532, 1030 - 1064nm	φ25.4mm	3mm	＞99.0％
TFMMW-25.4C05-532/1064	515 - 532, 1030 - 1064nm	φ25.4mm	5mm	＞99.0％
TFMMW-30C03-532/1064	515 - 532, 1030 - 1064nm	φ30mm	3mm	＞99.0％
TFMMW-30C05-532/1064	515 - 532, 1030 - 1064nm	φ30mm	5mm	＞99.0％
TFMMW-50C05-532/1064	515 - 532, 1030 - 1064nm	φ50mm	5mm	＞99.0％
TFMMW-50C08-532/1064	515 - 532, 1030 - 1064nm	φ50mm	8mm	＞99.0％
TFMMW-50.8C05-532/1064	515 - 532, 1030 - 1064nm	φ50.8mm	5mm	＞99.0％
TFMMW-50.8C08-532/1064	515 - 532, 1030 - 1064nm	φ50.8mm	8mm	＞99.0％