439/8 nm MaxDiode^™ laser clean-up filter

Semrock Part Number: LD01-439/8-12.5

IDEX Part Number: FL-007702 /

Optical Specifications	Value
Transmission Band 1	Tabs > 90% 435 - 443 nm
Transmission Ripple	Tripple < 3% 435 - 443 nm
Blocking Band 1	ODavg > 3 281 – 425 nm
Blocking Band 2	ODavg > 5 392 – 422 nm
Blocking Band 3	ODavg > 5 456 – 499 nm
Blocking Band 4	ODavg > 3 453 – 609 nm
Center Wavelength 1	439 nm
Guaranteed Minimum Bandwidth 1	8 nm
FWHM Bandwidth 1 (nominal)	14.1 nm
Laser Wavelength 1	439 nm
General Filter Specifications	Value
Angle of Incidence	0 ± 5 degrees
Cone Half-angle	0.5 degrees
Optical Damage Rating	Not tested
Physical Filter Specifications	Value
Transverse Dimensions (diameter)	12.5 mm
Transverse Tolerance	+ 0.0 / – 0.1 mm
Filter Thickness (mounted)	3.5 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Clear Aperture	≥ 10 mm
Scratch-Dig	60-40
Filter Thickness (unmounted)	2.0 mm
Filter Thickness Tolerance (unmounted)	± 0.1 mm
Orientation	Arrow on ring indicates preferred direction of propagation of light

total selected Clear selection Select all 3 products from all pages.

Available on

BLP01-442R-25

FL-008547 / 0

Filter with 50% edge at 450 nm
552 cm^-1 transition
T_avg > 93% from 454 – 900 nm

Available on

BLP01-458R-25

FL-008539 / 0

Filter with 50% edge at 466 nm
552 cm^-1 transition
T_avg > 93% from 470.7 – 900 nm

Available on

Di02-R442-25x36

FL-007007 / 0

Laser Dichroic Beamsplitter with edge at 462 nm
R_abs > 94% 439 – 457.9 nm
R_avg > 90% 350 – 439 nm
T_avg > 93% 466.1 – 900 nm
Flatness / RWE: Laser

1 of 1

Page Size

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Filter Reliability	Compares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Laser Damage Threshold	Provides information for calculating laser damage threshold for pulsed and continuous wave lasers
Working with Optical Density	Tables to describe the relationship between OD and transmission with tips for quickly calculating OD

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Access Optical Filter Warranty	Find our warranty in our Terms & Conditions of Sale.
Semrock Optical Filters RoHS Certificate	RoHS, stands for Restriction of Hazardous Substances. The current RoHS Directive currently restricts the use of ten substances.
Semrock Optical Filters REACH Certificate	REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment from the risks that can be posed by chemicals, while enhancing the competitiveness of the EU chemicals industry.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.

Optical Specifications: Value
Transmission Band 1: Tabs > 90% 435 - 443 nm
Transmission Ripple: Tripple < 3% 435 - 443 nm
Blocking Band 1: ODavg > 3 281 – 425 nm
Blocking Band 2: ODavg > 5 392 – 422 nm
Blocking Band 3: ODavg > 5 456 – 499 nm
Blocking Band 4: ODavg > 3 453 – 609 nm
Center Wavelength 1: 439 nm
Guaranteed Minimum Bandwidth 1: 8 nm
FWHM Bandwidth 1 (nominal): 14.1 nm
Laser Wavelength 1: 439 nm
General Filter Specifications: Value
Angle of Incidence: 0 ± 5 degrees
Cone Half-angle: 0.5 degrees
Optical Damage Rating: Not tested
Physical Filter Specifications: Value
Transverse Dimensions (diameter): 12.5 mm
Transverse Tolerance: + 0.0 / – 0.1 mm
Filter Thickness (mounted): 3.5 mm
Filter Thickness Tolerance (mounted): ± 0.1 mm
Clear Aperture: ≥ 10 mm
Scratch-Dig: 60-40
Filter Thickness (unmounted): 2.0 mm
Filter Thickness Tolerance (unmounted): ± 0.1 mm
Orientation: Arrow on ring indicates preferred direction of propagation of light

total selected Clear selection Select all 3 products from all pages.

Available on

BLP01-442R-25

FL-008547 / 0

Filter with 50% edge at 450 nm
552 cm^-1 transition
T_avg > 93% from 454 – 900 nm

Available on

BLP01-458R-25

FL-008539 / 0

Filter with 50% edge at 466 nm
552 cm^-1 transition
T_avg > 93% from 470.7 – 900 nm

Available on

Di02-R442-25x36

FL-007007 / 0

Laser Dichroic Beamsplitter with edge at 462 nm
R_abs > 94% 439 – 457.9 nm
R_avg > 90% 350 – 439 nm
T_avg > 93% 466.1 – 900 nm
Flatness / RWE: Laser

1 of 1

Page Size

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Filter Reliability	Compares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Laser Damage Threshold	Provides information for calculating laser damage threshold for pulsed and continuous wave lasers
Working with Optical Density	Tables to describe the relationship between OD and transmission with tips for quickly calculating OD

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Access Optical Filter Warranty	Find our warranty in our Terms & Conditions of Sale.
Semrock Optical Filters RoHS Certificate	RoHS, stands for Restriction of Hazardous Substances. The current RoHS Directive currently restricts the use of ten substances.
Semrock Optical Filters REACH Certificate	REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment from the risks that can be posed by chemicals, while enhancing the competitiveness of the EU chemicals industry.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.

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