Fixed Ratio Beam Expanders for High Power Lasers

Beam expanders suitable for high power laser applications: IBS-coated lenses, high transmission, low-GDD optics. Designed for 1030+1064 nm, 515+532 nm or 343+355 nm laser wavelengths. Fixed magnifications from 1.5X to 10X available. Sliding lens design.

from 495 $

Estimated delivery time: 4 - 5 days

Qty discount: 5-9 pcs. of the same item - 10% OFF! 10+ pcs. 15% OFF!

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DWL

Expansion

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Designed for 1030+1064 nm, coating R<0.1% @ 1000 – 1080 nm

Code	DWL	Expansion	Input Aperture	Max Input Beam	Output Aperture	Price	Delivery	Add to cart
i 161-1.5X-1H	1030 nm	1.5X	11.0 mm	11.0 mm	22.8 mm	495 $	4 - 5 days

i 161-2X-1H	1030 nm	2X	11.0 mm	9.0 mm	22.8 mm	495 $	4 - 5 days

i 161-3X-1H	1030 nm	3X	11.0 mm	9.0 mm	34.5 mm	605 $	Request

i 161-5X-1H	1030 nm	5X	10.0 mm	4.5 mm	34.5 mm	605 $	4 - 5 days

i 161-7.5X-1H	1030 nm	7.5X	8.0 mm	3.5 mm	36.0 mm	737 $	4 - 5 days

i 161-10X-1H	1030 nm	10X	8.0 mm	3.0 mm	36.0 mm	737 $	4 - 5 days

Designed for 515+532 nm, coating R<0.1% @ 500 – 535 nm

Code	DWL	Expansion	Input Aperture	Max Input Beam	Output Aperture	Price	Delivery	Add to cart
i 161-1.5X-2H	515 nm	1.5X	11.0 mm	11.0 mm	22.8 mm	495 $	4 - 5 days

i 161-2X-2H	515 nm	2X	11.0 mm	9.0 mm	22.8 mm	495 $	4 - 5 days

i 161-3X-2H	515 nm	3X	11.0 mm	9.0 mm	34.5 mm	605 $	4 - 5 days

i 161-5X-2H	515 nm	5X	10.0 mm	4.5 mm	34.5 mm	605 $	4 - 5 days

i 161-7.5X-2H	515 nm	7.5X	8.0 mm	3.5 mm	36.0 mm	737 $	4 - 5 days

i 161-10X-2H	515 nm	10X	8.0 mm	3.0 mm	36.0 mm	737 $	4 - 5 days

Designed for 343+355 nm, coating R<0.2% @ 340 – 355 nm

Code	DWL	Expansion	Input Aperture	Max Input Beam	Output Aperture	Price	Delivery	Add to cart
i 161-1.5X-3H	343 nm	1.5X	11.0 mm	11.0 mm	22.8 mm	583 $	4 - 5 days

i 161-2X-3H	343 nm	2X	11.0 mm	9.0 mm	22.8 mm	583 $	4 - 5 days

i 161-3X-3H	343 nm	3X	11.0 mm	9.0 mm	34.5 mm	693 $	4 - 5 days

i 161-5X-3H	343 nm	5X	10.0 mm	4.5 mm	34.5 mm	693 $	4 - 5 days

i 161-7.5X-3H	343 nm	7.5X	8.0 mm	3.5 mm	36.0 mm	825 $	4 - 5 days

i 161-10X-3H	343 nm	10X	8.0 mm	3.0 mm	36.0 mm	825 $	4 - 5 days

Transmitted Wavefront Distortion (TWD)	λ/6 at 633 nm
Focus Range	1.7 - ∞
Laser Damage Threshold	1064 nm: >10 J/cm², 10 ns pulse, 10 Hz 532 nm: >7 J/cm², 10 ns pulse, 10 Hz 355 nm: >5 J/cm², 10 ns pulse, 10 Hz
Input Thread	SM1 external
Output Thread	M43×0.5 external
Mounting Options	M43×0.5, SM1, M27, M4, 8-32 UNC

EKSMA Optics Fixed Ratio Beam Expanders
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Designed for high power laser applications:
- IBS-coated UV FS thin lenses
- High total transmission: >99%
- Low GDD: relative pulse broadening <20%
AR-coated for: 1030/1064 nm, 515/532 nm, 343/355 nm
Fixed magnifications from 1.5X to 10X
Divergence adjustment: non-rotating optics, sliding lens design

EKSMA Optics offers Galilean type beam expanders with thin UV FS lenses suitable for femtosecond applications. Fixed Ratio Beam Expanders are designed to increase the diameter of a collimated input high power laser beam to a larger collimated output beam. Fixed Ratio Beam Expanders can be adjusted for the input beam divergence angle to obtain collimated, divergent or focused beam at the output. They feature non-rotating divergence adjustment by sliding lens design.