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1/4λ First Surface Mirrors

Available in a Wide Range of Sizes and Shapes
Precision Metallic Mirror Coatings
Contact Us for Custom Sizes

TECHSPEC® 1/4λ First Surface Mirrors are ideal for a wide range of applications. To meet specific application needs, these mirrors are offered in a wide variety of shapes, sizes, and coatings. Featuring our precision metallic mirror coatings, these mirrors are ideal for broadband applications.

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1/4λ Mirror 51mm Diameter Protected Gold

#32-435

$110.00

Diameter (mm)	51
Dimensional Tolerance (mm)	+0/-0.5
Thickness (mm)	13.00
Thickness Tolerance (mm)	+0/-1.0
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Fine Ground
Substrate	Fine Annealed Pyrex®
Coating	Protected Gold, R_avg >97% @ 800 - 2000nm R_avg >94% @ 700 - 800nm
Typical Energy Density Limit	0.8 J/cm² @ 1064nm, 10ns
RoHS	Exempt

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1/4λ Mirror 75mm x 75mm Enhanced Aluminum

#45-339

$165.00

Dimensions (mm)	75 x 75
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	12
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	Enhanced Aluminum, R_avg >95% @ 450 - 650nm
Typical Energy Density Limit	0.2 J/cm² @ 532nm, 10ns
RoHS	Compliant

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1/4λ Mirror 75mm x 75mm UV Enhanced Aluminum

#45-340

$159.00

Dimensions (mm)	75 x 75
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	12
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	UV Enhanced Aluminum, R_avg >85% @ 250 - 700nm
Typical Energy Density Limit	0.5 J/cm² @ 355nm, 10ns
RoHS	Compliant

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1/4λ Mirror 75mm x 75mm Protected Gold

#45-341

$215.00

Dimensions (mm)	75 x 75
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	12
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	Protected Gold, R_avg >97% @ 800 - 2000nm R_avg >94% @ 700 - 800nm
Typical Energy Density Limit	0.8 J/cm² @ 1064nm, 10ns
RoHS	Compliant

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1/4λ Mirror 100mm x 100mm Enhanced Aluminum

#45-342

$265.00

Dimensions (mm)	100 x 100
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	15
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	Enhanced Aluminum, R_avg >95% @ 450 - 650nm
Typical Energy Density Limit	0.2 J/cm² @ 532nm, 10ns
RoHS	Compliant

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1/4λ Mirror 100mm x 100mm UV Enhanced Aluminum

#45-343

$250.00

Dimensions (mm)	100 x 100
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	15
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	UV Enhanced Aluminum, R_avg >85% @ 250 - 700nm
Typical Energy Density Limit	0.5 J/cm² @ 355nm, 10ns
RoHS	Compliant

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1/4λ Mirror 100mm x 100mm Protected Gold

#45-344

$365.00

Dimensions (mm)	100 x 100
Dimensional Tolerance (mm)	±0.25
Clear Aperture (%)	85
Thickness (mm)	15
Thickness Tolerance (mm)	±0.25
Surface Accuracy (λ)	1/4 @ 632.8nm
Surface Quality	60-40
Edges	Ground, 0.75mm Maximum Full Width Bevel
Substrate	Precision Annealed Pyrex® 7740
Coating	Protected Gold, R_avg >97% @ 800 - 2000nm R_avg >94% @ 700 - 800nm
Typical Energy Density Limit	0.8 J/cm² @ 1064nm, 10ns
RoHS	Compliant

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