OptoSigma

FLM/FLMHP
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This mirror is designed to provide low wavelength dispersion suitable for use with ultra-short pulse lasers with 100 femtosecond or less.

◦We have designed a special thin film coating that optimizes wavelength dispersion, range and the strength of lasers.
◦It has the effect of suppressing the spread of the pulse width produced by a plurality of reflecting mirrors.
◦There are three types available, FLM1 standard, FLM2 wide wavelength band, and FLMHP for high power femtosecond laser*.
◦These mirrors are designed and produced for usage within the microscopy with femtosecond laser and optical systems with femtosecond time-resolved spectroscopy.

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Guide

▶These low dispersion wavelength mirrors are available in physical dimensions other than those found in the catalog, please contact our Sales Division for Custom products.
▶We can also provide high power negative dispersion mirror.
▶Also available are our surface flatness guarantee (HTFM) mirrors with accuracy guarantee after surface coating.
W3002

Attention

▶When used in angles other than 45 degrees (AOI), we would not be able to guarantee the wavelength dispersion.

Common Specifications
MaterialBK7
CoatingDielectric multilayer coating
Incident angle45°±3°
Surface flatnessλ/10
Parallelism<5″
Surface Quality (Scratch-Dig)10−5
Clear aperture80% of the diameter
Rear SurfacePolished
Outline Drawing

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Schematic

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Typical Reflectance Data
■FLM1

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R: Reflectance
■FLM2

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R: Reflectance
Group Delay Data (for reference only)
■FLM1

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R: Reflectance
■FLM2

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R: Reflectance
Spec
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Part Number
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    PRICE(USD) Stock Qty
FLM1-12.7C05-800
FLM1-25.4C05-800
FLM1-30C05-800
FLM2-12.7C05-800
FLM2-25.4C05-800
FLM2-30C05-800

720 - 900nm

760 - 840nm

φ12.7mm

5mm

>99.8%

1J/cm²

720 - 900nm

760 - 840nm

φ25.4mm

5mm

>99.8%

1J/cm²

720 - 900nm

760 - 840nm

φ30mm

5mm

>99.8%

1J/cm²

700 - 940nm

740 - 860nm

φ12.7mm

5mm

>99.8%

0.5J/cm²

700 - 940nm

740 - 860nm

φ25.4mm

5mm

>99.8%

0.5J/cm²

700 - 940nm

740 - 860nm

φ30mm

5mm

>99.8%

0.5J/cm²

RoHS  

$306.00

IN STOCK
RoHS  

$324.00

IN STOCK
RoHS  

$360.00

IN STOCK
RoHS  

$306.00

LOW
RoHS  

$324.00

IN STOCK
RoHS  

$360.00

IN STOCK