Laser Line Mirror / TFM

These laser mirrors are designed for specific wavelength laser applications where low wavefront distortion, low scattering and high reflectivity are usually important. These narrowband reflectors are for several wavelengths and sizes.

Common Specifications

Material BK7
Coating Dielectric Multi-layer Coating
Incident Angle 45°±3°
Surface Flatness λ/10, Polished(TFM-157)
Parallelism <3′
Surface Quality (Scratch-Dig) 10-5 (TFM-157: 40-20)
Clear Aperture 90% of the diameter

 

Schematic Outline Drawing

 

Part Number Wavelength Range Diameter
φD
Thickness
t
Reflectance Laser Damage Threshold* Rear Surface
TFM-30C03-157 157nm φ30mm 3mm >95.0% 0.5J/cm2 Polished
TFM-50C05-157 157nm φ50mm 5mm >95.0% 0.5J/cm2 Polished
TFM-25.4C05-193 193nm φ25.4mm 5mm >95.0% 0.8J/cm2 Polished
TFM-30C05-193 193nm φ30mm 5mm >95.0% 0.8J/cm2 Polished
TFM-50C08-193 193nm φ50mm 8mm >95.0% 0.8J/cm2 Polished
TFM-25.4C05-248 248.4nm φ25.4mm 5mm >99% 2J/cm2 Polished
TFM-30C05-248 248.4nm φ30mm 5mm >99% 2J/cm2 Polished
TFM-50C08-248 248.4nm φ50mm 8mm >99% 2J/cm2 Polished
TFM-25.4C05-266 266nm φ25.4mm 5mm >99.2% 2J/cm2 Polished
TFM-30C05-266 266nm φ30mm 5mm >99.2% 2J/cm2 Polished
TFM-50C08-266 266nm φ50mm 8mm >99.2% 2J/cm2 Polished
TFM-25.4C05-282 281.8nm φ25.4mm 5mm >99.3% 2J/cm2 Polished
TFM-30C05-282 281.8nm φ30mm 5mm >99.3% 2J/cm2 Polished
TFM-50C08-282 281.8nm φ50mm 8mm >99.3% 2J/cm2 Polished
TFM-25.4C05-308 308nm φ25.4mm 5mm >99.5% 3J/cm2 Polished
TFM-30C05-308 308nm φ30mm 5mm >99.5% 3J/cm2 Polished
TFM-50C08-308 308nm φ50mm 8mm >99.5% 3J/cm2 Polished
TFM-25.4C05-325/337 325 - 337nm φ25.4mm 5mm >99.5% 3J/cm2 Polished
TFM-30C05-325/337 325 - 337nm φ30mm 5mm >99.5% 3J/cm2 Polished
TFM-50C08-325/337 325 - 337nm φ50mm 8mm >99.5% 3J/cm2 Polished
TFM-25.4C05-352/355 352 - 355nm φ25.4mm 5mm >99.5% 5J/cm2 Polished
TFM-30C05-352/355 352 - 355nm φ30mm 5mm >99.5% 5J/cm2 Polished
TFM-50C08-352/355 352 - 355nm φ50mm 8mm >99.5% 5J/cm2 Polished
TFM-12.7C05-532 532nm φ12.7mm 5mm >99.5% 8J/cm2 Ground
TFM-25C05-532 532nm φ25mm 5mm >99.5% 8J/cm2 Polished
TFM-25.4C05-532 532nm φ25.4mm 5mm >99.5% 8J/cm2 Polished
TFM-30C05-532 532nm φ30mm 5mm >99.5% 8J/cm2 Polished
TFM-40C06-532 532nm φ40mm 6mm >99.5% 8J/cm2 Polished
TFM-50C08-532 532nm φ50mm 8mm >99.5% 8J/cm2 Polished
TFM-50.8C08-532 532nm φ50.8mm 8mm >99.5% 8J/cm2 Polished
TFM-12.7C05-1064 1064nm φ12.7mm 5mm >99.5% 20J/cm2 Ground
TFM-25.4C05-1064 1064nm φ25.4mm 5mm >99.5% 20J/cm2 Polished
TFM-30C05-1064 1064nm φ30mm 5mm >99.5% 20J/cm2 Polished
TFM-40C06-1064 1064nm φ40mm 6mm >99.5% 20J/cm2 Polished
TFM-50C08-1064 1064nm φ50mm 8mm >99.5% 20J/cm2 Polished
TFM-50.8C08-1064 1064nm φ50.8mm 8mm >99.5% 20J/cm2 Polished

*Laser pulse width 10ns (TFM-157 and TFM-193: 20ns), repetition frequency 20Hz

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