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TFMHPQ
Wavelength Range
Diameter φD
Thickness t
Reflectance
Laser Damage Threshold*
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Mirrors for use in optical system of Yb pulsed laser with large energy. All dielectric coating designs are much more resistant to laser damage than typical mirrors and are suitable for use with high power laser systems.

◦All Dielectric Mirrors for High Power Laser are manufactured using dielectric multi-layer coatings of alternating high and low index layers.
◦The Mirrors are specifically designed for use at 45 degrees (AOI).
◦All dielectric coating designs are much more resistant to laser damage than typical mirrors and are suitable for use with high power laser systems.
◦Mirrors for YAG lasers are also available.

Related product
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Technical Data
Documents/Downloads
Guide

▶Please consult our Sales Division for assistance in your selection and for customized products. (customized on outer diameter, wavelength characteristic, etc.) Please use the inquiry sheet. 
W3002
▶All Dielectric Coating for High Power Laser can also be applied on a low scattering substrate.
W3002
▶Please refer to here for "Wavelength Characteristic Data (Reference Data, Transmittance: T[%]) " for each wavelength.
▶Also available are our surface flatness guarantee (HTFM) mirrors with accuracy guarantee after surface coating. 
W3002

Attention

▶Reflectance of dielectric mirrors will vary according to the polarization of the input beams.
▶The un-coated rear surface of the mirror is polished and the arrow on the side of the substrate points towards the coated surface.S-polarization has the high reflectance and the wide reflective bandwidth compared with p-polarization. The reflectance in the specifications list is that of random polarization or (p-polarization reflectance + s-polarization reflectance) / 2.
▶The reflectance curves are based on actual measurements and may vary with production lots.
▶Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
▶The surface flatness is the reflected surface wavefront distortion before coating.

Common Specifications
MaterialSynthetic fused silica
CoatingDielectric multi-layer coating
Incident angle45°±3°
Surface flatnessλ/10
Parallelism<3′
Surface Quality (Scratch-Dig)10−5
Clear aperture90% of the diameter
Rear SurfacePolished
Outline Drawing

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Schematic

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Typical Reflectance Data

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R: Reflectance

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R: Reflectance

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R: Reflectance

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R: Reflectance
Spec
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Part Number
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    JP Yen Stock Qty
TFMHPQ-12.7C03-257NEW
TFMHPQ-25C05-257NEW
TFMHPQ-25.4C05-257NEW
TFMHPQ-30C05-257NEW
TFMHPQ-50C08-257NEW
TFMHPQ-50.8C08-257NEW
TFMHPQ-12.7C03-343NEW
TFMHPQ-25C05-343NEW
TFMHPQ-25.4C05-343NEW
TFMHPQ-30C05-343NEW
TFMHPQ-50C08-343NEW
TFMHPQ-50.8C08-343NEW
TFMHPQ-12.7C03-515NEW
TFMHPQ-25C05-515NEW
TFMHPQ-25.4C05-515NEW
TFMHPQ-30C05-515NEW
TFMHPQ-50C08-515NEW
TFMHPQ-50.8C08-515NEW
TFMHPQ-12.7C03-1030NEW
TFMHPQ-25C05-1030NEW
TFMHPQ-25.4C05-1030NEW
TFMHPQ-30C05-1030NEW
TFMHPQ-50C08-1030NEW
TFMHPQ-50.8C08-1030NEW

257nm

φ12.7mm

3mm

>98%

4J/cm2

257nm

φ25mm

5mm

>98%

4J/cm2

257nm

φ25.4mm

5mm

>98%

4J/cm2

257nm

φ30mm

5mm

>98%

4J/cm2

257nm

φ50mm

8mm

>98%

4J/cm2

257nm

φ50.8mm

8mm

>98%

4J/cm2

343nm

φ12.7mm

3mm

>99%

8J/cm2

343nm

φ25mm

5mm

>99%

8J/cm2

343nm

φ25.4mm

5mm

>99%

8J/cm2

343nm

φ30mm

5mm

>99%

8J/cm2

343nm

φ50mm

8mm

>99%

8J/cm2

343nm

φ50.8mm

8mm

>99%

8J/cm2

515nm

φ12.7mm

3mm

>99%

26J/cm2

515nm

φ25mm

5mm

>99%

26J/cm2

515nm

φ25.4mm

5mm

>99%

26J/cm2

515nm

φ30mm

5mm

>99%

26J/cm2

515nm

φ50mm

8mm

>99%

26J/cm2

515nm

φ50.8mm

8mm

>99%

26J/cm2

1030nm

φ12.7mm

3mm

>99%

28J/cm2

1030nm

φ25mm

5mm

>99%

28J/cm2

1030nm

φ25.4mm

5mm

>99%

28J/cm2

1030nm

φ30mm

5mm

>99%

28J/cm2

1030nm

φ50mm

8mm

>99%

28J/cm2

1030nm

φ50.8mm

8mm

>99%

28J/cm2

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¥58,300

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