Thin AgGaS2 Crystals for DFG

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Code	Size	θ	φ	Coating	Application	Price	Delivery	Add to cart
AGS-401H	5x5x1 mm	39°	45°	BBAR/BBAR@1.1-2.6/2.6-11 μm	DFG@1.2-2.4 μm->2.4-11 μm	1947 $	4 - 5 days Express delivery Limited quantity is available in US warehouse for express delivery. For details please write to sales.usa@eksmaoptics.com or call 866-658-5404.
AGS-402H	6x6x2 mm	50°	0°	BBAR/BBAR@1.1-2.6/2.6-11 μm	DFG@1.2-2.4 μm->2.4-11 μm	2613 $	Request Express delivery Limited quantity is available in US warehouse for express delivery. For details please write to sales.usa@eksmaoptics.com or call 866-658-5404.
AGS-404H	5x5x0.4 mm	39°	45°	BBAR/BBAR @ 1.1-2.6 / 2.6-11 μm	DFG@1.2-2.4 μm->2.4-11 μm	2244 $	4 - 5 days Express delivery Limited quantity is available in US warehouse for express delivery. For details please write to sales.usa@eksmaoptics.com or call 866-658-5404.
AGS-801H	8x8x0.4 mm	39°	45°	BBAR/BBAR@1.1-2.6/2.6-11 μm	DFG@1.2-2.4 μm->2.4-11 μm	4488 $	4 - 5 days
AGS-802H	8x8x1 mm	39°	45°	BBAR/BBAR@1.1-2.6/2.6-11 μm	DFG@1.2-2.4 μm->2.4-11 μm	4037 $	Request

AgGaS2 crystals are provided mounted into 25.4 mm diameter ring holder.

Flatness	λ/6 @ 633 nm
Parallelism	< 20 arcsec
Perpendicularity	< 10 arcmin
Angle tolerance	< 30 arcmin
Aperture tolerance	± 0.1 mm
Surface quality	10-5 scratch & dig (MIL-PRF-13830B)
Clear aperture	>90% of full aperture

EKSMA Optics Femtoline AgGaS2 Crystals
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AgGaS2 (AGS) infrared crystal is transparent from 0.53 µm to 12 µm. Thin AgGaS2 (AGS) crystal plates are popular for ultrashort pulse generation in mid IR range by difference frequency generation employing NIR wavelength pulses.

Thin AGS crystal plates are provided with BBAR coating. It is a multilayer dielectric antireflection coating made at specified wavelength range. Standard coating is designed to reduce reflection losses at input side over 1.1-1.2 micron range and output side over 2.6-11 micron range.

BBAR coating is designed to minimise dispersion of ultrashort pulses and also features high damage threshold. Typical reflection values are R<0.5% in the mid range, and up to reflection values of uncoated crystal at the edges of given range.