Since establishment, CRYLIGHT Photonics Co., Ltd. has built a good reputation in the industry. We have been devoted to providing high quality optical crystal for years. CRYLIGHT has created a number of successful series, and long-wave pass filter is one of them. TGG crystal is developed with simple construction and reliable design. The product is not easily damaged by termite. It has gone through cold storage under very low temperature to thoroughly kill the termite.
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